
Windows Security Invalid Configuration Checklist
You open Windows Security and see a message about an invalid configuration. This usually means a ...

You open Windows Security and see a message about an invalid configuration. This usually means a ...

If you want to control when Windows updates are installed—for example, to avoid unexpected restar...

You open Outlook and see an error: "Cannot connect to server" or "Disconnected"...

You try to sign in to Chrome or start syncing, but you get error code 0x80040201. Bookmarks, pass...

If you notice your system slowing down and Task Manager shows Windows Security (or Antimalware Se...

After a Windows update, you might see error messages like "This app can't open" or "Something wen...