
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 turn on Windows Defender, but get an "Access Denied" message. This usually means somet...

When Windows Security shows a 'connection refused' error, it often means the Windows Defender Fir...

You open Chrome, and it immediately asks you to sign in to your profile again—even though you jus...

If you suspect Windows Security (formerly Windows Defender) is not detecting threats, you might s...

You see error 0x803f7001 when trying to activate Windows. The message mentions a “rate limit.” Th...