Coreldraw Crash while exporting jpg png ang gif

Hi everybody.

I have Coreldraw X5 with servipack installed, and also the hot fix installed.

And i have a win 8 pc, 64 bit, 8 gb ram and i3 processor.

The program goes very well, for 1 mounth everything it was ok, but today, when i export pgn, gif and jpg the software crash. I follow the guide to go in "regedit", but in win 8 it miss some that in xp exist.

Can you help me?

thank you!!!!!!!!