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

Fix Command Prompt High CPU Usage on Windows 7

If you notice your Windows 7 system slowing down and Task Manager shows cmd.exe using high CPU, i...

Change Remote Desktop Listening Port to Avoid Conflicts

If you cannot connect to a remote computer because another application is using port 3389, or you...

Fix Windows Defender Rate Limit Error on Windows 11

You may see a rate limit error when using Windows Defender on Windows 11. This usually happens du...

How to Set Up OneDrive Selective Sync on Mac

If you're using OneDrive on a Mac with limited storage, selective sync lets you pick which folder...

Fix Windows Security Authentication Error 0x80070035

How to Clear Windows Update Cache for Faster Installation

If Windows updates are taking forever to download or install, or if they keep getting stuck at a ...