Fix Windows Defender Service Unavailable Error
You open Windows Security and see the message 'Windows Defender service unavailable' or 'Windows ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix BitLocker Recovery Key Permission Denied in Windows 10
You need your BitLocker recovery key to unlock a drive, but Windows 10 throws a 'permission denie...
Fix PowerShell 404 Not Found When Downloading File
You run an Invoke-WebRequest or Start-BitsTransfer command in PowerShel...
Fix Task Scheduler 502 Bad Gateway Not Working
If you see a 502 Bad Gateway error when Task Scheduler runs a task that hits a web service or IIS...
How to Fix PowerShell Update Permission Denied Error
When you try to update PowerShell using winget or the Microsoft Store, you might see...
Fix Remote Desktop Timeout Caused by Antivirus Interference
You're in the middle of a remote session when the connection drops with a timeout error. You've c...
Topic paths
Quick titles
Fix 'No matching distribution found for tensorflow' pip installJupyter Notebook Token Not Working on Ubuntu – Fix GuideOffline PowerShell Installation GuideOutlook 99% Migration Stuck: Troubleshooting GuideResolving PowerShell Remoting Network ErrorsHow to Fix Windows Defender 'Command Not Found' ErrorHow to Fix PowerShell Rate Limit ErrorsHow to Resolve '404 Not Found' in Windows Terminal