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

Fix 'Permission Denied' When Using mkdir in VS Code Terminal

You're working in the VS Code integrated terminal and run a mkdir command only t...

How to Fix Cloudflare 521 Error Due to Proxy Issues

If you see a Cloudflare 521 error, the message usually says something like “Web server is down.” ...

Fix Windows Security App Permission Issues

You open Windows Security and see a message like "This app has been blocked for your protecti...

Fixing Cloudflare 522 Errors Caused by Server Resource Exhaustion

If you're seeing a Cloudflare 522 error, it means your web server is not responding in time. ...

Fix Windows Explorer Restarting with SFC Scannow

If Windows Explorer keeps restarting on its own—your taskbar disappears and reappears, or File Ex...

How to Set Python Path in Windows 10