Checklists for software errors, setup, and tool workflows.

Fix PowerShell Assembly Cache Not Updating

You’ve updated a .NET assembly in the Global Assembly Cache (GAC) or copied a new DLL into a modu...

How to Fix an Outlook File Locked Due to Sync Issue

You try to open Outlook and see a message that your data file (.pst or .ost) is locked. Often thi...

Fix Microsoft Teams Port Already Allocated After Update

After a Microsoft Teams update, you might see an error saying a port is already allocated. This u...

How to Fix Windows Terminal Not Opening on Mac

If you're trying to open Windows Terminal on a Mac and nothing happens, you're likely running Win...

Fix Windows Defender Service Path Not Working

When Windows Defender's service path isn't working, the Security Center may show “Unknown” status...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...