Fix 'Windows Defender Not Recognized' Error in Command Prompt
When you type MpCmdRun or Windows Defender in Command Prompt and see
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Microsoft Store Error 0x80072ee7 Network Issue
When you see error 0x80072ee7 in the Microsoft Store, it usually means the app can't reach the in...
How to Fix Windows Update Not Working After Upgrade
After upgrading Windows, you may find that Windows Update stops working—errors like 0x80070002, 0...
Fix Windows Activation Offline Installer Not Working on Windows 10
You’ve downloaded the Windows 10 offline installer for activation, but it won’t run, hangs, or gi...
How to Activate Windows on Mac Using Boot Camp Assistant
If you've installed Windows on your Mac using Boot Camp Assistant, the next step is activation. A...
Fix OneDrive Sync Stuck on 'Checking Status'
If OneDrive is stuck on 'Checking status' and files aren't syncing, it's often due to a stalled s...
Topic paths
Quick titles
Troubleshoot Chrome Extension Access DeniedHow to Resolve PowerShell Path Not Found in ConfigurationHow to Fix Windows Update Certificate Trust ErrorWindows 11 BitLocker Command Missing TroubleshootingFix Windows Activation 502 Bad Gateway DNS ErrorOutlook for Mac Setup GuideFix Chrome Profile Access Denied on Mac: Steps That WorkHow to Unstick Teams Loading Screen Due to Firewall