If you plan to upgrade your operating system for the new Windows 7 and also have an iPhone with which you want to sync from your iTunes, you should think twice before making your change, because there have been some compatibility problems with the system to when you synchronize data between computer and device.
Even if it’s hard to believe this problem is not due to operating system (the problem also exists in Vista) or the phone, rather has to do with some errors P55 Express chipset’s USB controller, so if you have a machine with This security feature will suffer a mishap when trying to sync an iPhone with iTunes and the machine will throw an error 0xR0000065.
