Designer Randomly Closes

On my work VM my designers, without warning, will randomly close. This happens on both 7.9.x and 8.1.x. Is there some logging I can look at or turn on to give me information about what is going on? The windows events logs do not have anything about java or anything else going on at that time.

Have you checked the logs in thew gateway?

only thing in the gateway log at that time was this