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

Fix Windows 11 Wi-Fi No Internet by Disabling IPv6

If your Windows 11 PC connects to Wi-Fi but shows 'No internet' while other devices work ...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome Safe Mode

When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome while running in Safe Mod...

How to Resolve Git Merge Conflicts on the Same Line

You run git merge and get a conflict marker on a single line. The file shows both ve...

Remove Large Files from Git History

If your Git repository is bloated because a large file was committed and later removed, the file ...

Fix Windows 11 Installation Assistant Stuck at 99% SFC Scan

You're upgrading to Windows 11 using the Installation Assistant, and it hangs at 99% while ru...