How to Reduce Windows Security CPU Usage
If your system feels sluggish and you notice high CPU usage from 'Windows Security' or 'Antimalwa...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Defender Error 502 Bad Gateway
You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means Windows Defender ...
Fix Windows Defender Not Opening Error 404
You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...
Fix Windows Activation Proxy Server Not Responding
When you try to activate Windows and see “proxy server not responding,” it usually means Windows ...
BitLocker To Go Drive Not Recognized: Fixes to Try
You plug in a BitLocker To Go encrypted USB drive, but Windows doesn't show it in File Explorer. ...
How to Fix Microsoft Store Stuck on Loading Screen
If the Microsoft Store hangs on the loading screen—showing only a spinning circle or a blank whit...
Topic paths
Quick titles
Chrome Error 12 Mac Update: Causes and SolutionsHow to Log Command Prompt Output to a FileTroubleshoot Error 0x80070005 in Windows UpdateWindows Defender 504 Gateway Timeout FixResolve Chrome Port Already Allocated ErrorWindows Defender Permissions Recovery StepsResolve Windows Update Connection TimeoutResolve Outlook Loading Profile Loop