How to Fix Windows Security Error 0x80070422
You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Search SSL Certificate Error Checklist
If Windows Search suddenly stops working and you see SSL certificate errors in the event logs or ...
Fix Windows Defender Port Already Allocated in Event Viewer
If you see 'port already allocated' errors in Event Viewer related to Windows Defender, it usuall...
How to Find the Windows Activation Log File
If you're having trouble activating Windows or just want to verify your licensing status, the act...
OneDrive Sync Error 404 Not Found: Causes and Fixes
You open OneDrive and see a '404 Not Found' error during sync. This usually means OneDrive can't ...
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,...
Topic paths
Quick titles
Brave Sync Stuck on Connecting: Step-by-Step FixGitHub Actions Cron Job Not Running FixOneDrive Error 0x8004de40 Fix GuideFix PowerShell Port Already Allocated Error with FirewallPowerShell Log File Troubleshooting: How to Find and Fix IssuesCloudflare Tunnel Connection Timeout: How to FixTask Scheduler Import Error: Version Mismatch FixMicrosoft Teams Path Error Windows 10 Fix