Ok, I´ve found the problem, it was my disk driver, I made another disk in a other computer and it worked.
So, problem solved!

I´v tried it all, swapping disk between 2000 and soft 2004, 2000 runs 2004 not. somtimes loads untill 4% and hangs. tried to update avos first, and after that the 2004 soft, same problem. going back to 2000 soft runs allways.

Nothing seems to help to get the software loaded. loading 2000 is no problem, updating avos is no problem. Loading 2004 it stays on 0% loaded and says, hit any key. after that run system and comes invallid program. I think we have to use candles to night, unless 1 of masterminds has an solution. Ric...

We have a pearl 2004. After a gig it came back with soft 2000 installed. Prob. the light guy did a re-program. Now trying to put back the 2004 soft I´m getting an error "invallid program". After this the board is not working, only after installing the 2000 soft. used the soft from the avo-side What...