Fix 'Threat Service Stopped' in Windows 10 Defender
If you see a yellow warning in Windows Security that says "Threat service has stopped" or "Restar...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Outlook SSL Certificate Error
You're trying to send or receive email in Outlook, but you get an error about the SSL certificate...
Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Caused by Antivirus
When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a secure tunnel...
Remote Desktop Setup Checklist for IT Administrators
Setting up remote desktop access for your organization can be straightforward if you follow a con...
Fix Command Prompt Login Loop Not Responding
You sign in to Windows, but instead of the desktop, you see a command prompt window that appears,...
Fix Windows Update Error 0x80070020: Port Already Allocated
When you see error 0x80070020 during a Windows Update, it usually means a program is already usin...
Topic paths
Quick titles
Windows Activation Command Not Recognized SolutionWindows Search Not Working: Connection Refused ErrorReduce Chrome CPU Usage After Update: Step-by-StepWindows Search Not Showing Results FixFix SSL Certificate Errors on Android ChromeInstall Windows Terminal Without InternetDiagnose Scheduled Task Crashes with LogsResolving Nginx Unix Socket Permission Denied