I'm not sure if this is in the right place, but trying never hurt anybody. Anyway my question goes as follows:

Has anyone else have troubles with uploading freebie objects for different software products? Such as planet and moon files not working in Mojoworld, or Objects not working in Bryce or anything for Terragen? I've gotten an error while trying to upload some planet files for Mojoworld, but when I go to open it, I get a message saying it doesn't match or the file was corrupted. Yet on my old computer, I never got that problem before. So does anybody have any help or suggestions?

And if this is in the wrong place, I am sorry, but I didn't see a actual place to put this thread.