
Fix Outlook High CPU Usage Caused by Antivirus Scanning
Symptoms and Likely Cause
You notice Outlook consuming 50% or more CPU, making your syste...

You notice Outlook consuming 50% or more CPU, making your syste...

You try to connect to a remote desktop, but instead of a successful login, you get an error about...

When you try to restore a Windows activation backup—often from a saved Tokens.dat or...

You open Outlook and see the message: "Outlook service unavailable. Cannot start Microsoft Outloo...

If you see errors like "port already in use" or "address in use" when launching a WSL or PowerShe...

You close PowerShell, but your system monitor still shows it using a lot of memory. This can slow...