Disable Windows Defender Realtime Scanning
Windows Defender Realtime Scanning takes lots of CPU time, to disable it, disable following items together.
Real-time Protection
Tamper ProtectionDisable Windows Defender
Disable Windows Defender
Note: These steps are not effective, the problem is still there.
Disable service
- Run
services.msc - Change Startup type to Stop for service Windows Defender Antivirus Service
Disable scheduler
- Run Task Scheduler
- Go to Microsoft\Windows\Windows Defender
- Disable all tasks (4 tasks)