Fix Windows Defender Real-Time Protection Turning Off
If you see a notification that Windows Defender real-time protection is off, or it keeps turning ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix OneDrive Error 0x8004de40
If you see error code 0x8004de40 when trying to sign in or sync files in OneDrive, it usually mea...
Fix Windows Defender Service Permission Denied Error in Windows 10
You see a 'permission denied' message when trying to start or interact with the Windows Defender ...
Fix Chrome Profile Login Loop After Password Change
You changed your Google account password, and now Chrome keeps asking you to sign in again—over a...
How to Fix Command Prompt Failed to Start on Windows 10
If you click on Command Prompt and nothing happens, or you see an error like “Windows cannot find...
Fix Windows Activation Key Not Recognized Error
You enter your Windows product key during installation or activation, and get an error that the k...
Topic paths
Quick titles
Resolve Windows Activation Hanging on ActivatingResolve Path Not Found in Scheduled TasksTroubleshoot OneDrive Sync Timeout: Step-by-Step GuideResolve Windows Security Version Mismatch ErrorHow to Disable and Re-Enable Windows Search IndexingTroubleshooting Remote Desktop Connection RefusedResolve Remote Desktop 404 After Network ChangesFix Windows Activation Port 1688 Already Allocated Error