i have pokemon leaf green on my vba (visual boy advance) and i used some gameshark codes. i had the shiny pokemon code on and when i went to my pc it was full of Bad Eggs and then i cuaght a abra and i came up as Missingno. help me.

...I thought we were banned from discussing ROMs?

Well, since we are allowed to talk of them, might I suggest erasing the said code from your cheat file, and then maybe looking for a code that could reverse it? For example, making something else appear in your box might overwrite all the bad eggs?

Not really sure, it's safer if you just use a real game.