it keeps saying that an unknown error occurred, the error number its giving me is 1015.

---------- Post added 03-18-2010 at 12:04 AM ---------- Previous post was 03-17-2010 at 11:55 PM ----------
ok, so error 1015 occurs when you try to downgrade your version of the OS, and it wont let me install 3.1.2, it keeps telling me to install 3.1.3. is there anyway to get around this?