My install of the RC of Windows 7 is running very well except one little but annoying issue. Twice I've removed a flash drive from a USB port after shutting down the PC ( I forgot to remove it before shutting down) and when I've come to restart I get an "unable to start" message. It then goes through a trying to fix routine, and always fails to fix the issue, before effectively giving up and shutting down. When restarting after this there is no problem and Windows starts fine. It's not really an issue if I just remember to remove drives before I shut down, but it strkes me something is wrong somewhere.