
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 may see a notification that Windows Defender real-time protection has a rate limit error, oft...

If you've enabled logging in Windows Terminal and the log file stays empty—or never appears—you'r...

If Windows Defender fails to start, you might see an error like "Windows Defender service won't s...

If Outlook repeatedly shows a connection timeout error, it usually means the client cannot reach ...

You see error 0x8007232B during Windows activation, and the process is painfully slow or hangs. T...