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

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

How to Reset Bluetooth in Windows 11

Bluetooth problems in Windows 11 often show up as devices not pairing, intermittent disconnects, ...

Nginx Redirect Loop Not Working: Causes and Fixes

You've set up a redirect in Nginx, but instead of landing on the intended URL, the browser sh...

Fix Windows 11 Setup Stuck at 99%

You're installing Windows 11 and the progress bar hangs at 99% for a long time. This is a kno...

Manually Download and Fix Windows Update Error 0x80070002

You see error 0x80070002 when checking for updates. It usually means Windows Update can't fin...

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...