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

How to Merge a Git Detached HEAD Back to Master

If you see a message like 'You are in 'detached HEAD' state' after checking out a...

Fix Windows 11 Blue Screen After Update Using SFC /Scannow

After a Windows 11 update, you might see a blue screen error on boot or during use. One common fi...

Fix Node Sass Build Failure After npm Cache Clean

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 Diagnose and Fix Chrome Memory Leaks

If your Chrome browser gradually consumes more and more RAM until pages lag or crash, you may be ...

How to Fix Git Detached HEAD Error

You run git status and see "HEAD detached at" followed by a commit hash. Thi...