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

Stop CMD High Memory Usage: Practical Fixes

If Command Prompt (cmd.exe) is using more memory than expected, it can slow down your system. Thi...

Fix Cloudflare DNS Not Working with VPN Connection

If you use Cloudflare DNS (1.1.1.1) and a VPN together, you may hit a snag where DNS stops resolv...

Fix Port Already Allocated Error in Windows Server 2019 Activation

When activating Windows Server 2019, you might see an error like "Activation failed: port already...

How to Fix Windows Update Error 0x80070002

You click Check for updates and after a while get error 0x80070002. It usually means Windows Upda...

How to Fix Network Errors in Command Prompt