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

Windows 11 Blue Screen After Cumulative Update: Fixes That Work

After installing a cumulative update, some Windows 11 users encounter a blue screen error (BSOD) ...

Fix git index.lock File Exists Error on Windows

If you see fatal: Unable to create 'index.lock': File exists. when running G...

Fix VSCode Git Auth Failed: Expired Token

You're working in Visual Studio Code, try to push or pull, and see an error like "Git: Au...

Checklist for Nginx Configuration Test Failure

When you run nginx -t and get a failure, the server won't reload or restart. Thi...

How to Fix Windows Update Error 0x80070002 with a Clean Boot

If you see error 0x80070002 when running Windows Update, it usually means a file or resource that...

Fix Nginx Upstream Connection Refused in Proxy Pass