Napster DRM files all messed up

I tried this remedy from this thread for a crashing Napster when all along it was b/c Oblivion was in the disc drive.

Now, though, when I d/l music I get a message saying the license is invalid. It's gotta be b/c they're being saved to the drmbackup folder, but I dunno how to fix it.

I'm not trying to subvert the copyright protection at all. I was trying to fix the runtime error and in the process I messed up the DRM destination, or something.

Thanx alot.