
Checklist to Enable Windows Security Auto Start
If Windows Security (formerly Windows Defender) doesn't start automatically after you log in, you...

If Windows Security (formerly Windows Defender) doesn't start automatically after you log in, you...

You try to install a Windows update, but it fails with a message like "File locked" or <...

After a recent Outlook update, you might see an error like "Port already allocated" when trying t...

You open Windows Defender and see an authentication failed error. This often happens after a fail...

When Chrome displays an error like ERR_UNSAFE_PORT or a message that a port is alrea...

You try to turn on Windows Defender real-time protection, but you get error 0x80070422. This usua...