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

Fix Git 'index.lock' Error in VS Code

If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

Cloudflare Wildcard Subdomain Cache Not Working: Fixes

If you use a wildcard DNS record like *.example.com proxied through Cloudflare, you ...

Windows 11 Update Stuck at 0%: Permission Denied Fix

If your Windows 11 update is stuck at 0% with a "permission denied" message, the installe...

Windows 11 Blue Screen After Driver Update: Rollback Fix

You update a driver in Windows 11, and then you get a blue screen on reboot. This is a common pro...

Windows 11 Installation Assistant Stuck at 99% After Restart

You've run the Windows 11 Installation Assistant, it reached 99% after restart, and now it...

Fix Git Push Rejected Non Fast Forward Error