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

Fix Cloudflare SSL Full Strict Certificate Mismatch Error

If you set Cloudflare SSL/TLS encryption mode to Full (strict) and see a certificate mismatch err...

How to Fix Windows 11 Update Stuck at 0 Percent

You click Check for updates, and the progress bar sits at 0% for minutes or hours. This is a comm...

Fix DNS Probe Finished NXDOMAIN on Chrome for Android

If you see the error 'DNS_PROBE_FINISHED_NXDOMAIN' in Chrome on your Android phone, it me...

Fixing Nginx 502 Bad Gateway with Docker and Load Balancers

If you're running Nginx as a reverse proxy or load balancer in a Docker setup, a 502 Bad Gate...

Fix Docker Volume Permission Denied on Mac

Fix Windows Search Indexing Error 0x80040c41

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