Fix Windows Defender Token Expired Preventing Service Start
You see 'Token expired' in the Windows Defender event log or a notification that the service didn...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Defender Threat Service Not Running Error
You open Windows Security and see a yellow warning: “Threat service has stopped. Restart it now.”...
Fix Ubuntu Remote Desktop Permission Denied Error
When you try to connect to an Ubuntu machine via Remote Desktop (RDP or VNC) and get a 'permissio...
Fix Chrome Profile Dependency Conflict on Windows 10
If you see a 'profile dependency conflict' error in Chrome on Windows 10, it usually means Chrome...
How to Fix Windows Security Connection Refused Error
You open Windows Security and see a "Connection refused" error when trying to update virus defini...
How to Fix BitLocker Recovery Key Expired Error
When you see a message that your BitLocker recovery key has expired, it usually means the key sto...
Topic paths
Quick titles
Resolve Error 0x80240016 in Windows DefenderHow to Resolve Windows Search 404 ErrorCommand Prompt Network Error ChecklistTroubleshoot Windows Security Proxy IssueResolve File Locked Issues in Microsoft TeamsWindows Defender and Ubuntu Coexistence GuideFix Outlook Service Unavailable Error in Exchange 2019How to Enable OBS Virtual Camera on Windows 10