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

Docker Nginx 502 Bad Gateway: Memory Limit Fix

You're running Nginx in Docker as a reverse proxy, and suddenly you see 502 Bad Gateway error...

Windows 11 Update Stuck at 0%: Practical Checklist

You start a Windows Update and it hangs at 0% for 10, 20, 30 minutes. This is a common frustratio...

Fix VSCode Save File Permission Denied Error

You try to save a file in Visual Studio Code and see 'Permission denied'. The file might ...

Fix Cloudflare SSL Full Strict Redirect Loop

If you've enabled Cloudflare's SSL/TLS encryption mode to Full (Strict) ...

Fix Docker Volume Permission Denied for Postgres

Fix Windows Security App Access Denied Error

When you open Windows Security (formerly Windows Defender Security Center) and see an 'Access...