I tried on my own but failed...

[whoa69]

okay so after much wait i finally upgraded to the 4.2.1 untethered greenpoison jailbreak. on my Ipod touch 3g. so everything worked swell. but then i tried puttin music on my ipod touch thru itunes and it would charge but it wouldnt sync to itunes and a popup came up sayin "mobile device service has encountered a problem and needs to close. blahblahblah" Ive searched everywhere for a solution but nothing so im here to ask for help so please...

[whoa69]

does anybody know how to fix this? do you need more info or whats the problem? Im really tired of not being able to sync to itunes. it would be soo appreciated if you helped a poor guy out. come on guys lets come together as a community!