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

Fix Port Already Allocated Error in Windows Security

If you see a 'port already allocated' error when starting a Windows Security-related service or a...

Fix Outlook OAuth 2.0 Token Expired Error

If you see an error like “Token expired” or “Authentication failed” in Outlook ...

Fix Windows Defender Token Expired Preventing Service Start

You see 'Token expired' in the Windows Defender event log or a notification that the service didn...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

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

PowerShell Profile Not Loading After Update: How to Fix

After a PowerShell update, you might find that your custom profile (functions, aliases, prompt) n...

Fix PowerShell Set-ExecutionPolicy RemoteSigned Not Working

You run Set-ExecutionPolicy RemoteSigned in PowerShell, but the change doesn't stick...