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

Fix PowerShell Port Already Allocated Error 0x80072746

When running a PowerShell script or cmdlet that tries to start a network listener, you may see er...

Fix Windows Defender Update Error 0x80070643

If you see error 0x80070643 when updating Windows Defender, it usually means the update failed du...

Fix Task Scheduler 502 Bad Gateway After Setup

You set up a task in Windows Task Scheduler to hit a web endpoint, but it returns a 502 Bad Gatew...

How to Fix Outlook Network Error During Exchange Server Setup

When setting up Outlook with an Exchange Server, a network error can stop the process cold. You m...

Fix 'Invalid Configuration Permission Denied' in Command Prompt