Fix 'Port Already Allocated' Error in Windows Defender on Windows 10
You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search High Memory Usage and Error 0x80040c
If you see error 0x80040c in Windows Search or notice high memory usage from SearchIndexer.exe, t...
Fix PowerShell Connection Refused to Remote Server
You try to run Enter-PSSession or Invoke-Command to a remote server and...
Fix Windows Defender Path Not Found Registry Error
If you see a 'Path not found' error when accessing Windows Defender settings or running a scan, t...
Fix Windows Update Auto-Start Permission Denied Error
You see a 'permission denied' error when Windows Update tries to start automatically. This often ...
How to Add PowerShell to System PATH Variable in Windows
If you've installed PowerShell but can't launch it from a Command Prompt or another terminal with...
Topic paths
Quick titles
Outlook Exchange Setup: Connection Refused ErrorOutlook Connection Timeout Error Fix GuideWindows 11 Remote Desktop Not Working FixResolve Microsoft Store Version Mismatch Sync IssueHow to Stop Windows Update from Using 100% CPUOneDrive Selective Sync Setup Guide: Save Space & Control FoldersFix Windows Search Bar Not Responding After UpdateWindows Terminal Permission Error Troubleshooting