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

Fix Docker 'network not found' Error for Custom Networks

You create a custom Docker network, then try to run a container attached to it, but get an error ...

Fix Windows 11 Update Stuck at 0% with Service Not Running

You click Check for updates, see 0% for ages, and maybe an error like 'Windows Update service...

Windows 11 Update Failed Blue Screen Rollback Fix

You start your PC after a Windows 11 update and get a blue screen, then it rolls back. This artic...

Fix Nginx Configuration Test Failure for Upstream Directive

When you run nginx -t and get an error involving the upstream directive...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fix Git Push Non-Fast-Forward and Permission Denied Errors

When you run git push and get an error like ! [rejected] main -> main (non-...