
Fix Outlook High CPU Usage Caused by Antivirus Scanning
Symptoms and Likely Cause
You notice Outlook consuming 50% or more CPU, making your syste...
Software troubleshooting desk

You notice Outlook consuming 50% or more CPU, making your syste...

If Windows Defender (Microsoft Defender Antivirus) isn't starting automatically when you boot you...

If Windows Defender is using nearly 100% CPU and a scan appears stuck (e.g., progress bar frozen ...

You install a project, run npm install, and get a cryptic error about an incompatibl...

You sign in to OneDrive, the sync configuration window appears, and then you're asked to sign in ...

When a scheduled task fails with 'permission denied', the task typically lacks the necessary user...