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

Nginx Redirect Loop: Common Causes and Fixes

You set up a redirect in nginx, but now your browser shows 'redirect loop' or 'too ma...

Fix Git Merge Conflicts with Deleted Files

You're in the middle of a merge and git stops with a conflict. One side deleted a file, the o...

Fix Python UnicodeDecodeError with os.listdir

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

How to Fix Cloudflare Error 521: Server Not Responding

Cloudflare error 521 appears when your origin server refuses the connection from Cloudflare's...

Fix Windows Defender Real-Time Protection Stuck on Turning Off

You open Windows Security, go to Virus & threat protection, and see Real-time protection stuc...

Fix 'Permission Denied' When Running pip install --user