> Another weird thing is
> after I click on add dat, it crashes after a couple of seconds. If I am quick
> enough to select a datfile, it is fine, but if I take more than a couple of
> seconds, cmpro disappears. It has been doing this for a while, might have
> started when I upgraded to sp2?



Sounds weird, since the file-picker dialog is just one system function I'm calling. All the selection there is handled by the OS itself. SP2 shouldn't be the cause for that. I guess something else is wrong with your system....no idea what though.

Roman Scherzer
ClrMamePro