
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...

When you see a DNS error in Command Prompt—like “DNS request timed out” or “could not find host”—...

You try to open Windows Defender Security Center or run a scan, but get an error: "Windows Defend...

Users sometimes find that after booting into Safe Mode to troubleshoot a system issue, Windows ac...

You click "Check for updates," Windows Update starts searching, then stops with an error like 0x8...

You open Microsoft Store, see an update pending, and it either doesn't move or crawls. This is co...