Fix Windows Defender Error 0x80070422: Cannot Connect
If you see error 0x80070422 when trying to open Windows Defender Security Center, the service is ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Command Prompt Access Denied Error
When you type a command in the Command Prompt and get an 'Access Denied' message, it usually mean...
Fix Task Scheduler 404 Not Found Due to Permissions
When you open Task Scheduler and see a '404 Not Found' error when trying to view or create a task...
Fix OneDrive Sync Timeout and Permission Denied Errors
You see "sync timeout" or "permission denied" in OneDrive, and files aren't updating. This usuall...
How to Reset VMware Network Adapter Settings
If your VMware virtual machine loses network connectivity, shows an unconfigured adapter, or fail...
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...
Topic paths
Quick titles
Windows Activation Access Denied Error FixBitLocker TPM Missing After Reset: How to RestoreOneDrive Proxy Error Troubleshooting StepsFix VS Code Integrated Terminal Not Working on Mac M1How to Stop Outlook from CrashingFix OpenVPN Unable to Connect to Remote ServerMicrosoft Store Log File Not Opening FixEnable BitLocker When Service Won't Start