
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...

If you see errors like 'This app can't open' or 'Try that again – something happened on our end' ...

When you see ERROR 1045 (28000): Access denied for user 'username'@'hostname' (using passwo...

If you see an error message like 'Your profile could not be opened correctly' or 'Something went ...

You connect to a remote PC via RDP, authentication succeeds, but you're greeted with a black scre...

After a Windows update, you might notice that scheduled tasks no longer run. Opening Task Schedul...