But somebody could stop the service, and the file would become offline, so it could be copied.

I want to avoid that the file can be attached again...

It's a normal computer, a intel dual core, with local ide drives and no clustering. There's nothing strange, I think.

If I try to connect to the database too early, it...

Looks like I tried to open the database too early, because I've changed my service to retry the connection to the database a few seconds later and looks like it's...