Fix Windows Defender High CPU Usage When Scan Stuck
If Windows Defender is using nearly 100% CPU and a scan appears stuck (e.g., progress bar frozen ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listChrome Extensions Not Loading: Install and Setup Fixes
You try to install or enable an extension in Chrome, but nothing happens. Maybe the install butto...
Fix Windows Search 404 Not Found Error via Registry
If Windows Search returns a '404 Not Found' error when you try to open the search pane or run a q...
Fix Windows Defender Proxy Error Not Working
You launch Windows Defender Security Center or try to run a scan, and you see a proxy error—somet...
Microsoft Store SSL Certificate Error: Troubleshooting Checklist
You open Microsoft Store and see an SSL certificate error—maybe “ERR_CERT_AUTHORITY_INVALID” or a...
Fix Windows Defender Dependency Conflict Error
If you see a Windows Defender error about a dependency conflict, it usually means a required serv...
Topic paths
Quick titles
Fix Windows Activation Connection Refused ErrorFix Chrome Update Issues: Step-by-StepWindows Search 502 Gateway Error FixFix Missing Chrome Configuration File on UbuntuResolve Task Scheduler Module Missing ConfigurationHow to Set PowerShell as Default Terminal in Windows 11Troubleshooting Windows Search Network 502Fix Permission Denied When Installing Microsoft Store Apps on Mac