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

Remove Large Files from Git History

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

Fix VS Code Permission Denied When Not Admin

You try to save a file or install an extension in VS Code, and get a "permission denied" ...

How to Fix Windows Update Service Not Running in Windows 10

If Windows Update isn't working and you see an error like "Windows Update service is not ...

Fixing Node Sass Build Failures on Linux

Enable Wildcard Subdomain in Cloudflare: Step-by-Step

If you need all subdomains (like *.example.com) to point to the same server, a wildc...

Fix Windows Security App Missing from Start Menu

You open the Start menu, type “Windows Security,” but nothing appears. The app may have been unre...