Checklists for software errors, setup, and tool workflows.

Fix Windows Security App Not Starting on Windows 11

You click the Windows Security icon or try to open it from Settings, but nothing happens. The app...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

Fix Windows Search Indexing Error 0x80040c41

If you see error 0x80040c41 when searching in Windows, the indexing service is likely stuck due t...

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 Nginx 502 Bad Gateway in Docker Containers

An Nginx 502 Bad Gateway error when proxying to a Docker container usually means Nginx cannot rea...