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

Windows 11 Blue Screen After Update: Hardware Issue Fixes

You updated Windows 11, and now you get a blue screen. If the error mentions hardware, it's o...

How to Fix Windows Search Indexing Not Working

If Windows Search stops returning results or takes too long, the indexing service is likely stall...

Fix Cloudflare Wildcard Subdomain and Root Domain Conflict

If you use a wildcard DNS record (e.g., *.example.com) on Cloudflare, you may run in...

How to Fix Windows Update Service Not Running in Windows 10

If Windows Update isn't working and you see an error like "Windows Update service is not ...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Fix Nginx Upstream Connection Refused Error

If you see upstream connection refused in your Nginx error logs, it means Nginx trie...