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

How to Fix 'npm command not found' on Mac

How to Enable Windows Update Service When It Is Disabled

If Windows Update fails to run or you see an error like "Windows Update cannot check for updates"...

How to Reset Command Prompt Color and Font Settings

If your Command Prompt text is hard to read, colors look off, or the font has changed unexpectedl...

Check Which Application Is Using Remote Desktop Port (3389)

When you try to start Remote Desktop and get an error that the port is already in use, something ...

Fix Windows Security Invalid Configuration Not Working

When Windows Security shows an "invalid configuration" error and stops working, it usually means ...

Fix Windows Security Login Loop and Sync Issues

You sign in to Windows, see the security settings sync message, and then get kicked back to the l...