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

Fix Nginx Redirect Loop After SSL Setup

You've set up SSL on your Nginx server, but now visitors get stuck in a redirect loop—HTTP→HT...

Cloudflare Origin Certificate Setup Checklist

You've set up Cloudflare but your origin server still shows SSL errors or mixed content warni...

Fix Docker Nginx 502 Bad Gateway After Restart

After restarting your Docker containers, you might see a 502 Bad Gateway error when accessing you...

How to Fix Windows Update Error 0x80070002

Error 0x80070002 often appears when Windows Update tries to install an update but can't find ...

Fix Windows 11 Update Stuck at 0% – SoftwareDistribution Folder