Hacking psp 1000, error

[Hashem_b]

hello everyone,
I have psp 1000 with fw 3.52 m33.
I used to play psx, psp games & emulators on it.
now the emulators working fine to me but the psp & psx games wont work anymore
and give me error 80000004 every time I open them
-the icon of the games are shown.
-I deleted the save files and still getting error.
anyone may help me with that issue.

thanks