Knowledge base for software setup, errors, and daily tool work.

Fix Windows Update Error 0x80070002 on Windows 10

When Windows Update fails with error 0x80070002, it usually means the system can't find the u...

Fix VSCode Git Authentication Failed: Permission Denied

If you see 'Git authentication failed' or 'permission denied' when pushing or pul...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Python Virtual Environment Not Activating: Common Fixes

You run source venv/bin/activate (or venv\Scripts\activate on Windows) ...

How to Fix Nginx Redirect Loop with Cloudflare

You set up Cloudflare for your site, and now visitors see a redirect loop error. The page keeps r...

Fix Windows 11 Setup Stuck at 99%

You're installing Windows 11 and the progress bar hangs at 99% for a long time. This is a kno...