
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...

If you've noticed Windows Security is off or grayed out, you may need to re-enable Windows Defend...

After a recent Windows update, you might see a BitLocker error that mentions DNS, such as "BitLoc...

If Microsoft Teams fails to sync, shows login errors, or reports connection problems, a DNS sync ...

If you're running Windows on a Mac via Boot Camp or a virtual machine (like Parallels or VMware F...

When Outlook suddenly shows a 'port already allocated' error, it usually means another program is...