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

How to Set Up a Proxy for Windows Update to Avoid Errors

If you're seeing errors like 0x8024402c or 0x80072ee2 when trying to update Windows, the issue mi...

How to Sync Windows Terminal Settings Between Mac and PC

If you use Windows Terminal on both a Mac (via Parallels or Boot Camp) and a native Windows PC, y...

How to Fix Windows Security Error 0x80073b01

You may see error 0x80073b01 when opening Windows Security or trying to use its features. It usua...

Command Prompt Not Working After Windows Update: Fixes

After a Windows update, Command Prompt may fail to open, show a blank window, or close immediatel...

Fix 'Port Already in Use' Error with Windows Defender Firewall

You try to start a local service or application, and it fails with an error like 'port already in...

Fix Error 0x80070005 Access Denied in Command Prompt