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

Fix VS Code Source Control Not Detecting Changes on Windows 11

If you're using VS Code on Windows 11 and the Source Control panel isn't showing your fil...

Fixing Nginx Upstream Connection Refused in Load Balancing

When Nginx load balancing returns upstream connection refused, it means one or more ...

How to Reinstall Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, crashing, or not opening, reinstalli...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

Fixing Cloudflare Wildcard Subdomain Proxy Errors

If you've set up a wildcard DNS record (e.g., *.example.com) in Cloudflare and a...

How to Fix Windows Update Error 0x80070005 Permission Denied

When Windows Update fails with error 0x80070005 and the message "Permission denied," it u...