
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 see "Authentication failed" when opening Windows Defender or trying to run a scan, it usua...

You click 'Check for updates' in Windows Update, but instead of downloading, you get an error lik...

If you see error 0x8024402c when checking for Windows updates, the update service is having troub...

You try to install Windows updates, but the process keeps prompting for your password repeatedly,...

After a Windows update, you might notice your computer running slower and the fan spinning louder...