
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...

After a Windows feature update, you may encounter a 'permission denied' error when trying to acce...

If Windows Defender (Microsoft Defender Antivirus) is missing, disabled, or not working correctly...

If you're moving from a POP3 email account to Microsoft 365, you've likely realized that POP3 sto...

After a Windows update, you may see a BitLocker error 504 on boot: "An error occurred while readi...

You open Outlook 365 and see a security certificate warning: "There is a problem with the proxy s...