
Fix Windows Security High CPU Usage and Slow PC
If your PC feels sluggish and Task Manager shows Windows Security (or Antimalware Service Executa...

If your PC feels sluggish and Task Manager shows Windows Security (or Antimalware Service Executa...

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

When Outlook behaves strangely — messages not sending, calendar not syncing, or random crashes — ...

You open Task Manager and see Windows Terminal using 20–40% CPU even when idle. This usually poin...

When Windows Defender fails to update, you might see error codes like 0x80070643, 0x80240022, or ...

When Windows Security shows "Service unavailable" or a red banner, your antivirus and firewall pr...