
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...

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

If you see error code 0x80073b01 when opening Windows Defender or trying to run a scan, it usuall...

After a Microsoft Office or Windows update, Outlook may show an "invalid configuration" error. Th...

You see "Task Scheduler invalid configuration" when opening a task or trying to run it. The error...

You open Windows Security and see the message 'Windows Defender service unavailable' or 'Windows ...

You type a command in Command Prompt and get 'command' is not recognized or Ac...