Why can't i install .wad files?

I downloaded both Programs to install WADs and when i boot them off the SD card all i get is some error similar to this:
opening title .wad, Error! ret = 2
This means i can't install wad files which really sucks.
any ideas? i am using system menu 3.3

Edited Out



Edited 1 time(s). Last edit at 03/02/2009 06:01PM by Arikado.

Read our forum rules. You may find the answer you need there.