Pokemon Soulsilver Help!

k i got pokemon soulsilver-flash card ttdsDunnoThe problem is that when im playing and after im playing for awhile and i go into somewhere or goto something that requires it going to the black screen and stuff it Frigging freezes like wtf.-Which game you are playing (HeartGold/SoulSilver)
- Brand of Flashcard
- Firmware of Flashcard (if not the newest, please update first)
- What exactly the problem is, and when it occurs.

http://forum.romulation.net/index.php?topic=36094.0If there is a fix for your card, it would be mention on that page's first post.