
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 open Task Manager and see a process like TiWorker.exe or svchost.exe

After replacing a motherboard, CPU, or hard drive, you might see "Windows isn't activated" or "In...

You try to access a network share, remote desktop, or a secured website, and Windows Security thr...

You scheduled a Windows Defender Offline scan to clean a stubborn infection, but the scan either ...

If you've reset your Task Scheduler settings—either intentionally or after a system restore—you m...