Windows Defender High CPU and Memory Usage Not Working: Fixes
If Windows Defender is eating up CPU or memory and also failing to run scans, update definitions,...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Update Error 0x8024402c
If you see error 0x8024402c when checking for updates, Windows Update is having trouble connectin...
OneDrive Sync Troubleshooting: Connection Refused Checklist
When OneDrive reports a connection refused error, syncing stops entirely. This often happens afte...
Fixing Windows Terminal Sync Settings Not Working
If you've enabled sync in Windows Terminal (Settings > Accounts > Sync settings) but changes aren...
Fix Windows Security Not Starting After Update
After a Windows update, you might find that Windows Security won't open, or it shows a blank wind...
Fix Windows Search Service Permission Denied Error
You might see a 'permission denied' error when Windows Search fails to index files or when you tr...
Topic paths
Quick titles
How to Fix Edge Update Error 0x80072effFix Windows Search Indexing Stuck on PausedWindows 10/11 Update Error 0x80070005 TroubleshootingTroubleshoot Windows Security Service FailureTroubleshooting Outlook Authentication ErrorWindows Security Certificate Error TroubleshootingBitLocker Configuration Repair Tool StepsChrome Profile DNS Error: Troubleshooting Checklist