Fix Windows Activation Proxy Error via Command Line
If you see an error like 0x80072F8F or 0x8007232B when trying to activa...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix PowerShell Command Not Found After Windows Update
After a Windows update, you might see errors like command not found when trying to r...
Fix Command Prompt Auto Start Not Working on Windows
You set Command Prompt to launch automatically on Windows startup, but it doesn't appear. This gu...
Fix Windows Activation Authentication Failed: Invalid Product Key
You see "Windows activation authentication failed" or "product key not valid" when trying to acti...
Fix Windows Search Sync Issues with OneDrive
If you notice that Windows Search isn't finding files stored in OneDrive, or search results are m...
How to Fix 'ERR_TUNNEL_CONNECTION_FAILED' on Chrome for Mac
If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome on your Mac, it usually means ...
Topic paths
Quick titles
Chrome Profile Not Syncing After Cache Clear: FixesFix Task Scheduler 'Permission Denied' on Network DriveChrome Connection Refused After Update: How to FixResolve Chrome Sync Configuration Invalid ErrorTask Scheduler Access Denied File LockedPowerShell Port in Use Troubleshooting GuideChrome Internet Not Working but Other Browsers AreWindows 10 Defender Dependency Conflict Troubleshooting Guide