Fix Port Already Allocated Error in Windows Security
If you see a 'port already allocated' error when starting a Windows Security-related service or a...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Terminal Proxy Not Working: Practical Steps
If your Windows Terminal isn't routing traffic through your system proxy, you're likely seeing co...
Fix Windows Security Service Stopped Working in Windows 10
If you see a notification that the Windows Security service has stopped working, your antivirus o...
How to Fix Windows Defender Blocked by Group Policy
When you try to open Windows Defender and see a message like "This app is blocked by group policy...
Fix Windows Startup Repair Login Loop After Update
You sign in, see "Preparing Windows" or a spinning circle, then get dumped back to the login scre...
Fix Windows Activation Error 0x8007007b
If you see error 0x8007007b when trying to activate Windows, it usually means the activation serv...
Topic paths
Quick titles
Stop Antimalware Service Executable Using Too Much RAMMicrosoft Store Download Stuck on Mac: Fixes That WorkOBS Virtual Camera Black Screen: How to FixHow to Resolve 404 Error in Windows UpdateUsing Command Prompt to Find Update LogsWindows Security Invalid Configuration ChecklistHow to Solve PowerShell Path Not Found in Windows 10 SetupHow to Unlock a File in PowerShell