Itunes 10.4.1 bad version

well as you all know..apple product need to be jack up with itunes for data transfering and backup phone data...so as usual last nite i want to do housekeeping for my picture and video on my phone...so jack up my iphone to the newest veraion of itune and start synching...then after a while one dialogue box pop up on the screen saying itunes has stop working and need to be closed...when i press the close button....all my pic and vids were gone....lucky i did back up some if it...the rest is gone...i thought its my video clip having problem....then i realize that the problem is coming fron itunes itself....stupid itunes....then i uninstall and reinstall the previous version which is after that running fine....haaaiiish....really pissed me off....