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'...

Windows 11 Update Stuck at 0% in Safe Mode: How to Fix

You boot into Safe Mode to troubleshoot a problem, but Windows Update shows 0% and won't budg...

How to Fix Nginx 'Upstream Connection Refused' Error

When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...

Windows 11 Update Stuck at 0%: How to Fix

You start a Windows Update, and the progress bar sits at 0% for ten minutes, an hour, or longer. ...

How to Rebuild Taskbar Icon Cache in Windows 10

If your Windows 10 taskbar icons appear blank, wrong, or missing, the icon cache may be corrupted...

Fix 'docker network not found' After Prune