Guides
गाइड — अंग्रेज़ी और हिंदी में
Step-by-step help for downloading safely and fixing common problems with Indian devices and portals. Each guide lists its sources.
How-to guidesकैसे करें
- Type in Hindi on Windows with the built-in Hindi Phonetic keyboard (no download needed)Windows के बिल्ट-इन Hindi Phonetic कीबोर्ड से हिंदी टाइप करें (कोई डाउनलोड नहीं)Windows already includes Hindi keyboards, so there's nothing to download. Open Settings → Time & language → Language & region, add Hindi, then add the Hindi Phonetic keyboard from Hindi's Language options. Switch with Windows key + Spacebar, type the word in English letters such as 'bagicha' and press Enter to get बगीचा. Hindi Traditional, an InScript-style layout, is installed by default. 6 min read· English + हिंदी
- ITR offline utility: install it, import pre-filled JSON and fix validation errorsITR ऑफ़लाइन यूटिलिटी: इंस्टॉल करें, pre-filled JSON इम्पोर्ट करें और validation एरर ठीक करेंDownload the Common Offline Utility (ITR-1 to ITR-4) or the ITR-5 to ITR-7 utility from the e-filing portal's Downloads page. Inside the utility, choose File Returns, then either Download Pre-filled Data (you log in through the utility) or Import Pre-filled Data (attach the JSON you saved). After filling, Proceed to Validation lists any errors; fix them, then upload and e-verify within 120 days. 8 min read· English + हिंदी
- Which DSC token driver do I need? ePass2003, HYP2003 and ProxKey — and when a token isn't detectedकौन-सा DSC टोकन ड्राइवर चाहिए? ePass2003, HYP2003 और ProxKey — और जब टोकन न दिखेA DSC token needs its own driver before any signer works. Read the token's label: FEITIAN ePass2003 uses 'ePass2003India-Setup.exe' from e-Mudhra's repository; HyperPKI HYP2003 uses the India package on Hypersecu's India Support page; Watchdata ProxKey usually installs from the token's own 'WD ProxKey' drive. When in doubt, use the driver from the Certifying Authority that issued your DSC. 8 min read· English + हिंदी
- Register DSC on the income tax e-filing portal with emBridge: steps and common errorsइनकम टैक्स e-filing पोर्टल पर emBridge से DSC रजिस्टर करें: स्टेप और आम एररTo register a DSC on incometax.gov.in, install emBridge from Downloads → DSC Management Utility, plug in your Class 2 or 3 token, then log in and go to My Profile → Register DSC. Confirm emBridge is installed, choose the provider and certificate, enter the token password and click Sign. 'Certificate mismatch' on a company PAN means the Principal Contact's DSC must be used. 8 min read· English + हिंदी
- Replacing an L0 fingerprint scanner with L1: a buying and migration checklistL0 फ़िंगरप्रिंट स्कैनर की जगह L1 लेना: ख़रीदने और बदलने की चेकलिस्टSince UIDAI's L0 sunset (30 June 2025 or the certificate's expiry, if earlier), Aadhaar authentication needs an L1 scanner. Before buying, find the model on UIDAI's current L1 list and check its device certificate (PDC) validity date, confirm your CSC, AePS or bank application supports that brand's RD service, and ask what the first year of RD subscription includes. Startek owners can transfer remaining L0 validity to an L1 device. 7 min read· English + हिंदी
- RD service subscription expired? Check validity and renew (Mantra, Morpho, Startek)RD सर्विस सब्सक्रिप्शन ख़त्म? वैधता जाँचें और रिन्यू करें (Mantra, Morpho, Startek)Each fingerprint scanner maker sells RD service renewals on its own site against the device's serial number. Morpho owners can check whitelisting and expiry dates on rdserviceonline.com; Mantra renewals are paid on its Servico portal; Access Computech's Extend subscription page checks each Startek serial before payment. Read the serial from the device label, renew only on the maker's site, and keep the receipt. 7 min read· English + हिंदी
- PM-Kisan eKYC: OTP, face authentication in the app, or a CSC, and how to check the statusPM-Kisan eKYC: OTP, ऐप में face authentication या CSC, और status कैसे देखेंeKYC is mandatory for PM-KISAN registered farmers. There are three official ways to do it: OTP-based eKYC on pmkisan.gov.in (needs an Aadhaar-linked mobile number), face authentication in the PM-KISAN mobile app together with UIDAI's Aadhaar Face RD app, or biometric eKYC at a Common Service Centre (CSC), where the convenience fee is Rs 15. Whichever mode you use, the result shows in your beneficiary status after 24 hours. Check it under Know Your Status. 7 min read· English + हिंदी
- Jeevan Pramaan face authentication: give your life certificate from a phone, step by stepJeevan Pramaan face authentication: फ़ोन से जीवन प्रमाण पत्र दें, स्टेप बाय स्टेपPensioners can make a Digital Life Certificate at home with a phone camera. Install two apps from Google Play or the App Store: UIDAI's AadhaarFaceRD and NIC's JeevanPramaan. Complete the one-time operator authentication, then enter the pensioner's Aadhaar, mobile number and pension details (PPO number, sanctioning and disbursing authority) and scan the pensioner's face. When it succeeds, a Pramaan ID arrives by SMS and the certificate reaches the pension disbursing agency automatically. 8 min read· English + हिंदी
- Check your name in the voter list: Voter Helpline app, ECINET, voters.eci.gov.in or SMS 1950वोटर लिस्ट में अपना नाम देखें: Voter Helpline ऐप, ECINET, voters.eci.gov.in या SMS 1950You can check whether your name is in the electoral roll through the Election Commission's Voter Helpline app (Electoral Search), its newer ECINET app, or voters.eci.gov.in on a computer. Search with your EPIC (voter ID) number or with your name and details. Without internet, the Election Commission's voter guide gives an SMS route: send ECI, a space and your EPIC number to 1950. You can also call the Voter Helpline on 1950. 6 min read· English + हिंदी
- Aadhaar QR code reader for PC (UIDAI): verify the secure QR on an Aadhaar cardPC के लिए Aadhaar QR code reader (UIDAI): आधार कार्ड का secure QR verify करेंUIDAI has its own reader for the secure QR code on Aadhaar letters, PVC cards and e-Aadhaar: a Windows installer (QrCodeReaderV4.2.msi) on uidai.gov.in, and the Aadhaar QR Scanner app for Android and iPhone. The QR code is digitally signed by UIDAI. The reader shows the holder's photo and details with a verified message only when that signature checks out. A tampered code shows a 'not verified' screen. A photocopy alone proves nothing, so scan the QR. 6 min read· English + हिंदी
- Free Fire India download: the official Garena links, platforms and parental consentFree Fire India डाउनलोड: Garena के आधिकारिक लिंक, प्लेटफ़ॉर्म और माता-पिता की सहमतिFree Fire India is Garena's battle royale app for Indian players. Download it only from Google Play (developer: Garena International III) or the App Store (seller: Garena International III Private Limited). It is free with in-app purchases, rated 12+, and needs iOS 13.0 or later on iPhone. Garena describes it as a mobile game and lists no PC version. Players under 18 need a parent or guardian's consent: Garena's privacy policy says registration needs the parent's phone number and a one-time password sent to that phone. 6 min read· English + हिंदी
- Microsoft Edge WebView2 Runtime: what it is, and should you uninstall it?Microsoft Edge WebView2 Runtime: यह क्या है, और क्या इसे uninstall करना चाहिए?WebView2 Runtime is Microsoft's Edge-based engine that Windows apps use to show web content inside the app; Outlook's Room Finder and Meeting Insights are examples. Microsoft preinstalls it on all Windows 11 devices, installed it on eligible Windows 10 devices, and it updates itself. Keep it: Microsoft says apps that rely on it lose those features without it. If an app says it's missing, install the Evergreen Runtime from Microsoft's WebView2 page. 5 min read· English + हिंदी
- HEVC Video Extensions: is there a free version? Opening iPhone HEIC photos and HEVC videos on WindowsHEVC Video Extensions: क्या कोई फ़्री वर्ज़न है? Windows पर iPhone की HEIC फ़ोटो और HEVC वीडियो कैसे खोलेंMicrosoft sells HEVC Video Extensions in the Microsoft Store (₹54 in India on 30 October 2026); the listing doesn't explain the price. It plays HEVC (H.265) video in Windows apps and, with the free HEIF Image Extension, opens iPhone .heic photos. A ₹0 'from Device Manufacturer' listing also exists, but avoid 'free HEVC' files from other sites. The free route is on the iPhone: Camera → Formats → Most Compatible saves new photos and videos as JPEG and H.264. 6 min read· English + हिंदी
- How to run DeepSeek V4 locally: what it really takes (LM Studio, Ollama, vLLM)DeepSeek V4 को लोकल कैसे चलाएँ: असल में क्या चाहिए (LM Studio, Ollama, vLLM)DeepSeek V4's weights are free under the MIT licence, but they are huge. The smallest local build we found is DeepSeek V4 Flash in LM Studio: a 156.40 GB download that LM Studio says needs at least 156 GB of RAM. Ollama has no local V4 model, and ollama run deepseek-v4.1-flash:cloud runs on Ollama's servers, not your PC. On an ordinary PC, use DeepSeek's app or API, or a small DeepSeek-R1 distill instead. 8 min read· English + हिंदी
- gpt-oss-20b vs gpt-oss-120b: system requirements and how to run them on Windowsgpt-oss-20b vs gpt-oss-120b: सिस्टम ज़रूरतें और Windows पर इन्हें कैसे चलाएँOpenAI says gpt-oss-20b runs within 16 GB of memory, and gpt-oss-120b fits on a single 80 GB GPU such as an NVIDIA H100 or AMD MI300X. On Ollama, gpt-oss:20b is a 14 GB download and gpt-oss:120b is 65 GB. On a typical Windows PC, the 20b model is the realistic choice. Run it with ollama run gpt-oss:20b, or download it in LM Studio with lms get openai/gpt-oss-20b. Both models are free under the Apache 2.0 licence. 7 min read· English + हिंदी
- ComfyUI on Windows: how to install the official portable versionWindows पर ComfyUI: आधिकारिक पोर्टेबल वर्ज़न कैसे इंस्टॉल करेंDownload the official ComfyUI_windows_portable_nvidia.7z (or the AMD or Intel build) from ComfyUI's GitHub releases, extract it with 7-Zip, put a model's checkpoint file in ComfyUI\models\checkpoints, then double-click run_nvidia_gpu.bat. ComfyUI opens in your browser at http://127.0.0.1:8188. Keep the black command window open while you work. The standard NVIDIA build supports RTX 20 series and newer. GTX 10 series and older cards need the separate cu126 build. 8 min read· English + हिंदी
- ChatGPT desktop app for Windows: official download and requirementsWindows के लिए ChatGPT desktop app: आधिकारिक डाउनलोड और ज़रूरतेंThe official ChatGPT app for Windows comes from the Microsoft Store. Open chatgpt.com/download, or run winget install --id 9PLM9XGG6VKS -s msstore. OpenAI's help centre lists Windows 10 (x64 and arm64) version 17763.0 or higher. For the Codex coding agent inside the app, OpenAI recommends Windows 11. After installing, sign in with your ChatGPT account. Avoid "ChatGPT for PC" .exe files on other sites, because OpenAI doesn't publish its Windows app that way. 7 min read· English + हिंदी
- How to run DeepSeek-R1 locally on Windows (Ollama or LM Studio)Windows पर DeepSeek-R1 को लोकल कैसे चलाएँ (Ollama या LM Studio)Install Ollama, then run ollama run deepseek-r1:8b, a 5.2 GB download, or pick the size that fits your PC's memory: 1.5b is 1.1 GB, 7b is 4.7 GB, 14b is 9.0 GB, 32b is 20 GB and 70b is 43 GB. These smaller versions are distilled models: Qwen and Llama models fine-tuned on DeepSeek-R1's reasoning. The full 671B DeepSeek-R1 is a 404 GB download and is out of reach for normal PCs. In LM Studio, search for deepseek-r1 in the Discover tab instead. 9 min read· English + हिंदी
- How to install Ollama on Windows and run your first local AI modelWindows पर Ollama कैसे इंस्टॉल करें और पहला लोकल AI मॉडल कैसे चलाएँDownload OllamaSetup.exe from ollama.com/download, or run irm https://ollama.com/install.ps1 | iex in PowerShell, and install it. No administrator rights are needed. Then open a terminal and run ollama run gemma4:e2b to download a small model (about 7.2 GB) and chat with it on your own PC. Ollama needs Windows 10 22H2 or newer, at least 4 GB of disk for the app plus room for models, and NVIDIA driver 551.61 or newer if you have an NVIDIA card. 8 min read· English + हिंदी
- How to install OpenAI Codex CLI on WindowsWindows पर OpenAI Codex CLI कैसे इंस्टॉल करेंTo install Codex CLI on Windows, open a new PowerShell window and run powershell -ExecutionPolicy ByPass -c "irm https://chatgpt.com/codex/install.ps1 | iex", the command in OpenAI's docs. If you already use Node.js, npm install -g @openai/codex also works. Then run codex inside your project folder and choose Sign in with ChatGPT. OpenAI recommends Windows 11. A recent, fully updated Windows 10 (version 1809 or newer) works on a best-effort basis. 8 min read· English + हिंदी
- How to install Claude Code on Windows (PowerShell, CMD or WinGet)Windows पर Claude Code कैसे इंस्टॉल करें (PowerShell, CMD या WinGet)To install Claude Code on Windows, open PowerShell and run irm https://claude.ai/install.ps1 | iex, then open a new terminal and run claude --version to confirm it worked. Anthropic also lists a Command Prompt command and winget install Anthropic.ClaudeCode. You need Windows 10 version 1809 or later on a 64-bit PC, at least 4 GB of RAM, an internet connection and a paid Claude Pro, Max, Team or Enterprise plan or a Console account. The free Claude plan does not include Claude Code. 8 min read· English + हिंदी
- How to spot fake download sites and bundled installersनकली डाउनलोड साइट और बंडल्ड इंस्टॉलर कैसे पहचानेंDownload software only from the developer's own website. Warning signs of a fake or bundling site include look-alike domains, pages full of large 'Download' buttons, a small 'downloader' instead of the real installer, extra offers during setup and 'free' copies of paid software. Before running a file, check its digital signature and, when the developer publishes one, its SHA-256 hash. 7 min read· English + हिंदी
- DSC token on the GST portal: install the driver and emSigner step by stepGST पोर्टल पर DSC टोकन: ड्राइवर और emSigner स्टेप-बाय-स्टेप इंस्टॉल करेंTo sign on the GST portal with a DSC you need two things on a Windows PC: your token's driver and the portal's emSigner. For a FEITIAN ePass2003 token, install ePass2003India-Setup.exe from e-Mudhra's repository. Then download emSigner from gst.gov.in — v3.3 for tokens obtained on or after 21 September 2026, v2.8 for older ones — and run it as administrator. 7 min read· English + हिंदी
- How to check who signed a Windows installer (digital signatures)Windows इंस्टॉलर किसने साइन किया है, कैसे जाँचें (डिजिटल सिग्नेचर)Right-click the installer, choose Properties and open the Digital Signatures tab. The name under 'Name of signer' is the company that signed the file; select it and click Details to see whether Windows says the signature is OK. No tab means the file is unsigned. An untrusted-root message is usually a certificate trust problem on your PC, not proof of malware. 6 min read· English + हिंदी
- How to check a file's SHA-256 hash on WindowsWindows में फ़ाइल का SHA-256 हैश कैसे जाँचेंA SHA-256 hash is a 64-character fingerprint of a file. To check one on Windows, open PowerShell and run Get-FileHash followed by the file name, or run certutil -hashfile with SHA256 in Command Prompt. Compare the result with the hash the developer lists on its official site. If even one character differs, delete the file and download it again. 6 min read· English + हिंदी
Fixesसमाधान
- Printer driver for HP, Canon or Epson and 'printer offline' on Windows: the official wayHP, Canon या Epson प्रिंटर का ड्राइवर और Windows में 'printer offline': आधिकारिक तरीकाDownload printer drivers only from the maker's support site, using the exact model on the printer's label: support.hp.com/in-en/drivers, in.canon/en/support/download or epson.co.in. If Windows shows the printer as offline, Microsoft's steps are: run the printer troubleshooter, restart the printer, check it is on the same network, set it as default, clear the print queue, restart the Print Spooler, and remove and re-add the printer. 8 min read· English + हिंदी
- Jeevan Pramaan Windows client: setup with an RD device and fixes for common errorsJeevan Pramaan Windows क्लाइंट: RD डिवाइस के साथ सेटअप और आम एरर के समाधानThe Jeevan Pramaan Windows client creates pensioners' Digital Life Certificates using any UIDAI-registered fingerprint or iris device. Install and start the device's RD service first, plus .NET Framework 4 and the Visual C++ 2010 Redistributable, then run the installer as administrator. 'Client not Registered' is only a notice. 'Failed to create OTP' usually means a wrong PC clock or a firewall, proxy or antivirus block. 7 min read· English + हिंदी
- e-TDS RPU and FVU version: 1.2 for TY 2026-27, 6.0/9.5 up to FY 2025-26, Java needed, and FVU errorse-TDS RPU और FVU वर्ज़न: TY 2026-27 के लिए 1.2, FY 2025-26 तक 6.0/9.5, ज़रूरी Java, और FVU एररProtean's downloads page lists RPU 1.2 with FVU 1.2 for TDS/TCS statements from tax year 2026-27 (Forms 138, 140, 143 and 144), and RPU 6.0 with FVU 9.5 for FY 2010-11 to FY 2025-26, including corrections. Both are Java utilities needing JRE 1.6 or later. The FVU returns either an error file listing each error's location and code, or the .fvu file to file. 8 min read· English + हिंदी
- GST Returns Offline Tool: fix Excel/CSV import errors, JSON upload and the error fileGST Returns Offline Tool: Excel/CSV इम्पोर्ट एरर, JSON अपलोड और एरर फ़ाइल कैसे ठीक करेंGSTN's FAQ lists why the Returns Offline Tool rejects Excel or CSV rows: dates not in dd-mmm-yyyy, invoice numbers over 16 characters or with special characters other than / and -, duplicates, malformed GSTINs and more than two decimals. Use GSTN's own template. If the portal shows 'Processed with Error' after upload, generate the error report, open it in the tool, correct and upload again. 8 min read· English + हिंदी
- Register or update DSC on the GST portal: steps and fixes for common error messagesGST पोर्टल पर DSC रजिस्टर या अपडेट करें: स्टेप और आम एरर मैसेज के समाधानOn the GST portal, go to My Profile → Register/Update DSC, pick the authorised signatory's PAN, tick that the signer is installed, click Proceed, choose the certificate and click Sign. Only PAN-based Class 2 or 3 DSCs on hard tokens are accepted. GSTN's troubleshooting page explains errors such as 'Failed to establish connection to the server', 'PAN No verification failed' and 'not a PAN based certificate'. 8 min read· English + हिंदी
- Startek FM220U L1 / AST300 not ready: tray status, proxy, firewall ports and HTTPSStartek FM220U L1 / AST300 तैयार नहीं: ट्रे स्टेटस, प्रॉक्सी, फ़ायरवॉल पोर्ट और HTTPSFor Startek scanners, Access Computech's guide says to check the ACPL Registered Device service in services.msc and the tray icon's colour, which tells you whether the device is ready, unregistered or disconnected. Behind a proxy, set it in 'Config ACPL RD service.exe' as administrator. Allow ports 11100–11120 (HTTP) and 11200 (HTTPS) in your antivirus. 'Device is blocked' and 'Subscription Expired' need ACPL support. 7 min read· English + हिंदी
- Morpho (IDEMIA) MSO 1300 E3 RD L1 errors 720, 730, 214, 500 and 'blacklisted' — what they meanMorpho (IDEMIA) MSO 1300 E3 RD L1 के एरर 720, 730, 214, 500 और 'blacklisted' — इनका मतलब और हलIDEMIA's FAQ explains the common Morpho L1 errors. 720 means the device is not ready or not registered yet; 730 is a poor fingerprint capture; 214 means the PC's date, time or time zone is wrong; 500 Invalid Skey Encryption means the RD service and firmware don't match (Windows needs RD 5.0.0.10 or later with firmware 06.04.e); 'blacklisted' usually means an expired or missing RD subscription. 8 min read· English + हिंदी
- Mantra MFS110 RD service not working: Mantra-specific fixesMantra MFS110 की RD सर्विस नहीं चल रही: Mantra के लिए ख़ास समाधानIf a Mantra MFS110, MARC11 or MFS210 scanner is not ready, install the driver first and the RD service second, both as administrator. The RD service must reach Mantra's management server at aadhaardevice.com over the internet, so check proxy, firewall and the PC's time zone. A device not listed on Mantra's server, or with an expired subscription, needs Mantra's Servico helpdesk. 7 min read· English + हिंदी
- emBridge not working or not running: eMudhra's own checks (port 26769, service, proxy, SSL)emBridge काम नहीं कर रहा या चल नहीं रहा: eMudhra की अपनी जाँच (port 26769, service, proxy, SSL)emBridge is eMudhra's background service that lets a website use the DSC on your USB token. To check whether it's running, open https://localhost.emudhra.com:26769 in your browser: if the page loads, emBridge is running. If tokens or certificates still don't appear, eMudhra's guide says to stop the emBridge service in services.msc, add '127.0.0.1 localhost.emudhra.com' to the Windows hosts file and start the service again. Also bypass your proxy for localhost.emudhra.com and accept the browser's certificate warning for that address. 7 min read· English + हिंदी
- eOffice 'Digital Signer Service not running': check port 55103 and fix iteOffice में 'Digital Signer Service not running': port 55103 जाँचें और ठीक करेंeOffice signs with your DSC through NIC's Digital Signer Service, a program that must be running on your PC on port 55103 (55101 for the old 4.1 series). If eOffice says the service isn't running, start it from its desktop icon and look for its icon in the system tray. Then open https://eoffsigner.eoffice.gov.in:55103/check/isLive in your browser: 'Success' means the service is running. If it won't start, NIC's user guide says to check whether another program is already using port 55103. 8 min read· English + हिंदी
- Windows Update stuck or failing? Microsoft's official fixes for Windows 11, in orderWindows Update अटका या फ़ेल हो रहा है? Windows 11 के लिए Microsoft के आधिकारिक समाधान, क्रम सेMicrosoft says update time depends on connection speed, network settings and update size; if it stays at the same percentage, check for updates again or run the Windows Update troubleshooter (Get Help, or Settings → System → Troubleshoot → Other troubleshooters → Windows Update → Run). Next: free space, unplug extra hardware, clear the SoftwareDistribution cache, run DISM then SFC, and use Settings → System → Recovery → Reinstall now. 8 min read· English + हिंदी
- 'java' is not recognized as an internal or external command: how to fix it on Windows'java' is not recognized as an internal or external command: Windows पर इसे कैसे ठीक करेंWindows can't find java.exe: either Java isn't installed, or its folder isn't in the PATH system variable. Install Java from the official source (a JDK from Oracle or Microsoft, or java.com for just running apps), then open a new Command Prompt and run java -version. If it's still not recognized, add the JDK's bin folder, by default C:\Program Files\Java\jdk-25\bin for Oracle JDK 25, to PATH under Advanced system settings → Environment Variables. 6 min read· English + हिंदी
- Wi-Fi option missing in Windows 11? How to bring it back, and when Intel's Wi-Fi driver helpsWindows 11 में Wi-Fi का विकल्प ग़ायब? इसे वापस लाएँ, और Intel का Wi-Fi ड्राइवर कब काम आता हैThe Wi-Fi option vanishes when Windows has no enabled, working wireless adapter. Microsoft's steps: run the network troubleshooter in Get Help, turn off Airplane mode and any physical Wi-Fi switch, then open Device Manager → Network adapters and choose Enable device. If the adapter is missing or faulty, get its driver through Windows Update, your laptop maker or, for supported Intel cards, Intel's Wi-Fi driver, then try Network reset. 7 min read· English + हिंदी
- No sound after a Windows 11 update (Realtek audio): Microsoft's fixes in orderWindows 11 अपडेट के बाद आवाज़ नहीं आ रही (Realtek audio): Microsoft के समाधान, क्रम सेRun the audio troubleshooter in Get Help, check the output device from the taskbar Speakers icon and turn off Audio enhancements. If sound stopped right after an update, roll back the driver: Device Manager → Sound, video and game controllers → right-click the device → Properties → Driver → Roll Back Driver. Otherwise reinstall it, and take a newer Realtek driver from your PC or motherboard maker; Realtek's own generic package lists Windows 10 as its newest. 8 min read· English + हिंदी
- 'This PC can't run Windows 11': check TPM 2.0 and Secure Boot with PC Health Check'This PC can't run Windows 11': PC Health Check से TPM 2.0 और Secure Boot जाँचेंRun Microsoft's PC Health Check on Windows 10 and select Check now to see which requirement fails. TPM 2.0 and Secure Boot are often just turned off in the PC's UEFI firmware settings: check TPM with tpm.msc, then enable it (and switch Legacy/CSM boot to UEFI for Secure Boot) through Recovery → Advanced startup → UEFI Firmware Settings. A processor that isn't on Microsoft's approved list can't be fixed by a setting. 7 min read· English + हिंदी
- .NET Framework 3.5 won't install: fixing 0x800F081F, 0x800F0906, 0x800F0907 and 0x800F0954.NET Framework 3.5 इंस्टॉल नहीं हो रहा: 0x800F081F, 0x800F0906, 0x800F0907 और 0x800F0954 ठीक करेंOn Windows 10 and Windows 11 25H2 or earlier, .NET Framework 3.5 is a Windows feature that downloads its files from Windows Update. Microsoft says 0x800F0906 means the download failed, 0x800F081F means the source files weren't found, and 0x800F0907 means a Group Policy blocked the download. Fix the connection or policy, or install from Windows installation media of the same version with DISM. On company PCs, 0x800F0954 points to WSUS. 8 min read· English + हिंदी
- d3dx9_43.dll or xinput1_3.dll missing? Install Microsoft's DirectX End-User Runtimed3dx9_43.dll या xinput1_3.dll missing? Microsoft का DirectX End-User Runtime इंस्टॉल करेंThese files come from the legacy DirectX SDK, which Windows 10 and 11 don't include. Microsoft's fix is the DirectX End-User Runtime from microsoft.com: it adds D3DX9, D3DX10, D3DX11, XInput 1.3, XAudio 2.7, XACT and Managed DirectX 1.1 for older games, without changing the DirectX already in Windows. Run the web installer (dxwebsetup.exe), restart the game, and skip 'DLL download' sites. 5 min read· English + हिंदी
- VCRUNTIME140.dll or MSVCP140.dll was not found: the official fixVCRUNTIME140.dll या MSVCP140.dll was not found: आधिकारिक समाधानBoth DLLs belong to Microsoft's Visual C++ Redistributable. Install the latest supported v14 package from Microsoft's Learn page, matching the app's architecture: X64 for 64-bit apps, X86 for 32-bit apps (install both if unsure), then restart and open the program again. Don't download the DLL alone from a 'DLL download' site; Microsoft says to install only Redistributable installers from a Microsoft site, signed by Microsoft. 6 min read· English + हिंदी
- RD Service not ready: complete fix guide (Mantra, Morpho, Startek)“RD Service not ready” की पूरी समाधान गाइड (Mantra, Morpho, Startek)“RD Service not ready” means your fingerprint scanner's RD service is not reporting a working, registered device. Plug the scanner into a rear USB port, restart the RD service in services.msc, correct the PC's date and time, and check the RD subscription. If that fails, reinstall the driver first, then the RD service, from the maker's site. L0 devices such as the Mantra MFS100 cannot be fixed. 8 min read· English + हिंदी
- emSigner not working on the GST portal? Try these stepsGST पोर्टल पर emSigner नहीं चल रहा? ये तरीके आज़माएँ 3 min read
- ePass2003 DSC token not detected? Try these stepsePass2003 DSC टोकन नहीं दिख रहा? ये तरीके आज़माएँ 3 min read
Explainersसमझें
- New DSC token after 21 September 2026 (FIPS 140-3): emSigner v3.3, Java 1.8 and drivers21 सितंबर 2026 के बाद का नया DSC टोकन (FIPS 140-3): emSigner v3.3, Java 1.8 और ड्राइवरUnder a CCA advisory, Certifying Authorities stopped issuing DSCs on older FIPS 140-2 tokens by 21 September 2026. GSTN says tokens issued on or after that date need emSigner v3.3, which requires Java 1.8 and a 64-bit Windows 10 or 11 PC. Existing DSCs on old tokens keep working until they expire. With a new token, install its FIPS-3 driver from your Certifying Authority. 7 min read· English + हिंदी
- DigiLocker vs the new Aadhaar app (mAadhaar's replacement): which official app to useDigiLocker या नया Aadhaar ऐप (mAadhaar की जगह): कौन-सा आधिकारिक ऐप इस्तेमाल करेंUse both, for different jobs. UIDAI's new Aadhaar app handles Aadhaar itself: sharing and verifying Aadhaar with face authentication, downloading e-Aadhaar, updating your mobile number or address, and locking biometrics. DigiLocker, from MeitY, is a wallet for documents issued by departments, which the IT rules treat as equal to the originals. mAadhaar is on its way out: UIDAI said in May 2026 it would be discontinued, and its Google Play listing returned 'not found' when we checked on 30 October 2026. 6 min read· English + हिंदी
- BGMI or Free Fire on PC: what KRAFTON and Garena officially offerBGMI या Free Fire PC पर: KRAFTON और Garena आधिकारिक रूप से क्या देते हैंBGMI has no official PC version. KRAFTON's site offers it for Android and iPhone only, and its Google Play listing showed no 'Install on Windows' option when we checked on 30 October 2026. KRAFTON's PC battle royale is PUBG: BATTLEGROUNDS, free to play on Steam. For Free Fire, the only official PC route is Free Fire MAX through Google Play Games on PC. Free Fire India is a phone-only app. 6 min read· English + हिंदी
- PhonePe or Google Pay on PC: is there an official app for Windows?PhonePe या Google Pay PC पर: क्या Windows के लिए कोई आधिकारिक ऐप है?No. PhonePe and Google Pay offer their UPI apps only for Android phones and iPhones, through Google Play and the App Store. Neither Google Play listing offered 'Install on Windows' when we checked on 30 October 2026, and neither company publishes a Windows or Mac download. Files called 'PhonePe for PC' or 'Google Pay PC download' on other sites, and emulator-plus-APK guides, are not from the publishers. To pay while you're on a computer, finish the UPI step on your phone. 5 min read· English + हिंदी
- Ollama vs LM Studio vs Jan: which local AI app should you use?Ollama vs LM Studio vs Jan: कौन-सा लोकल AI ऐप चुनें?All three run AI models offline on a Windows PC. Pick Ollama if you're comfortable with a terminal or want a background server for coding tools; it is open source under MIT. Pick LM Studio for the most guided desktop app, with built-in Hugging Face model search; it is free to use under its terms, but closed source. Pick Jan for an open-source (Apache 2.0) ChatGPT-style app that can also connect to cloud models. Check the hardware first: LM Studio and Jan need an AVX2 processor on x64 PCs. 8 min read· English + हिंदी
- L0 vs L1 biometric devices: what UIDAI's change means for CSC operatorsL0 बनाम L1 बायोमेट्रिक डिवाइस: UIDAI के बदलाव का CSC ऑपरेटरों के लिए क्या मतलब हैUIDAI's letter of 16 April 2025 set the sunset of L0 fingerprint registered devices at 30 June 2025, or the device certificate's validity if earlier. Aadhaar authentication now needs an L1 device, such as the Mantra MFS110, Morpho MSO 1300 E3 RD or Startek FM220U L1. Check each scanner's model, update its RD service from the maker's site and keep the subscription active. 6 min read· English + हिंदी
Is it safe?क्या यह सुरक्षित है?
- Fake UPI or bank APK on WhatsApp? How to spot it, and what to do if you installed oneWhatsApp पर नकली UPI या बैंक APK? कैसे पहचानें, और इंस्टॉल हो गया हो तो क्या करेंAn APK file sent to you on WhatsApp, Telegram or SMS that claims to be from your bank, a UPI app or a government office, often with a 'KYC update' or 'PAN/Aadhaar update' message, should be treated as fraud. UCO Bank's security advisory describes this exact trick: once installed, the app can read messages containing OTPs and PINs and let criminals move money from your account. Install banking and UPI apps only from Google Play or the App Store. If you've lost money, call 1930 or report at cybercrime.gov.in straight away. 7 min read· English + हिंदी
- Is the DeepSeek app safe? What its privacy policy actually saysक्या DeepSeek ऐप सुरक्षित है? उसकी प्राइवेसी पॉलिसी असल में क्या कहती हैDeepSeek's own privacy policy (last updated 10 February 2026) says the app is run by Hangzhou DeepSeek Artificial Intelligence Co., Ltd. in China. It collects your prompts, uploaded files, chat history and device and network details, and it stores that data in the People's Republic of China. It also uses your data to train its models, though it lists a right to opt out. The app isn't malware, but don't put personal, financial or work secrets into it. For full privacy, run DeepSeek's open models offline on your own PC instead. 8 min read· English + हिंदी
- Is VLC safe to download? 2 min read