Can't stay logged in.
It would help if you had said what the errior message is.
are you running the game as “an administrator”?
Aways run as admin as above mentioned and if you havent done it yet, repair the client either via command line switch or manual deletion of data files.
I honestly didn’t think about putting the error message in the OP, sorry. Turned out it was my net. It would blink off just barely long enough to kick me, but be back on when I looked at my modem. I have a new one on the way, thank you for your help guys.
If it is any consolation, my new upgraded router and fibre optic connection does exactly the same. It’s annoying – a brief almost unnoticeable blip kicking me off.
Joys of the interweb!