Fix Windows Security Cannot Connect to the App
When you see 'Windows Security cannot connect to the app' while trying to open Windows Security o...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Microsoft Teams Authentication Failed Due to Proxy
If you see 'Authentication failed' when launching Microsoft Teams and you're behind a corporate p...
How to Fix Windows Defender Authentication Failed Error
If you see "Authentication failed" when opening Windows Defender or trying to run a scan, it usua...
How to Fix OneDrive Sync Proxy Error
If you see a OneDrive sync error mentioning a proxy, it usually means OneDrive can't connect to M...
Fix Windows Defender Path Not Found After Update
After a Windows update, you might see an error like 'Path not found' when trying to open Windows ...
How to Fix the Chrome Profile File Locked Error
You try to open Chrome and get a message that says something like “Your profile could not be open...
Topic paths
Quick titles
How to Fix Missing Windows Activation Module After UpdatePowerShell Script Access Denied FixMicrosoft Teams Throttling Error: Causes and FixesHow to Fix GitHub Actions Permission Denied ErrorsChrome Update Caused Profile 404 ErrorHow to Fix Microsoft Store Token Expired IssueHow to Resolve Windows Search Gateway TimeoutHow to Fix Task Scheduler Permissions After Offline Install