Fix High CPU Usage from Windows Activation Failure
You might notice your PC fan running loud or sluggish performance after a Windows update or hardw...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Defender Update Error 0x80070643
If you see error 0x80070643 when updating Windows Defender, it usually means the update failed du...
VSCode Debugger Troubleshooting Checklist
When the VSCode debugger stops working, it's usually due to a misconfiguration, a missing extensi...
Fix SSH Permission Denied (publickey) Error
You try to SSH into a server and get Permission denied (publickey). This typically m...
Fix Microsoft Store 404 Not Found After Update
After a Windows update, you might open Microsoft Store and see a 404 Not Found error when trying ...
Windows Defender High Memory Usage Troubleshooting Checklist
Windows Defender (Microsoft Defender Antivirus) sometimes uses more memory than expected, especia...
Topic paths
Quick titles
Windows Activation Error 0x80070005 TroubleshootingFix Microsoft Teams Slow Startup by Disabling Hardware AccelerationPowerShell Access Denied: Step-by-Step FixesHow to Fix 7-Zip Repair Archive Not OpeningForce Chrome to Start with a Specific ProfileHow to Reactivate Windows After Replacing MotherboardHow to Fix a Stuck Windows Update at 100%Troubleshoot High CPU Usage by cmd.exe in Windows 7