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

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...

How to Allow Unrelated Histories in Git Merge

Fixing Cloudflare 521 Error: Origin Unreachable

When you see Cloudflare error 521, it means your origin server is refusing the connection from Cl...

Fix VS Code Breakpoint Not Hit in Remote Development

You set a breakpoint in VS Code while working in a remote environment—SSH, container, or WSL—but ...

How to Reset Chrome to Fix ERR_NAME_NOT_RESOLVED

You try to visit a website, but Chrome shows ERR_NAME_NOT_RESOLVED. This usually...

Fix Python UnicodeDecodeError with os.listdir

When you run os.listdir() on a directory containing files with non-ASCII names, you ...