JAPANESE POKeMON HG

Okay I had my game working and everything but now all of te sudden- without doing anything to it- except maybe have it sit out too long while being on- everytime I encounter a wild pkmn the screen goes black- so help? do i have to reformat my card?

Okay, just to clarify, THIS IS THE JAPANESE VERSION? Correct?If yes, I would just AP patch it with Rudolph's HGSS patch. NOT UNIVERSAL.
I dunno where it is though.

it is aLREdy AP Patched- it is the japanese, english translated rom, one you get from here,romulation- anyway i don't think the AP is the problem- I'm going to reformat and see if it works.

wait these cards your talking about? are they actual cards for the nintendo ds? or for the pc?

Since this is the japanese version maybe if you update your card, that might work.