
Fix 'Port Already in Use' Error with Windows Defender Firewall
You try to start a local service or application, and it fails with an error like 'port already in...
Software troubleshooting desk

You try to start a local service or application, and it fails with an error like 'port already in...

You try to send an email in Outlook, but after a long pause you see an error like “Connection to ...

You click "Check for updates" and Windows Update hangs or fails with error 0x80070643. This usual...

If BitLocker is using 30% or more of your CPU and seems stuck or not working, you're likely deali...

When a Windows security token expires, you may see an 'access denied' error even though you belie...

You try to run slmgr /ato or slmgr /ipk in Command Prompt, but Windows ...