M Mario Guest May 18, 2008 #2 ah,i think i know your problem,did you used UMD dumper? or a UMD copier that was cancelled while copying?(homebrew) and if not then you can always format the memory stick sorry.
ah,i think i know your problem,did you used UMD dumper? or a UMD copier that was cancelled while copying?(homebrew) and if not then you can always format the memory stick sorry.