
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...
Software troubleshooting desk

You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...

You try to turn on Windows Defender, but get an "Access Denied" message. This usually means somet...

You open Command Prompt or PowerShell, type something like MpCmdRun or Get-MpC...

When you open Windows Security and see error 0x800704cf, it usually means the app can't reach its...

You try to send an email in Outlook and get an error that your sending limit has been reached. Th...

If you're seeing "outlook command not found" or your shortcuts have disappeared, it's usually due...