I have an iphone 5s running 7.1.1 and over the last few week when ever i connect to itunes and sync it says backup can not be saved to this computer. I can still sync add photos and pics but says this iphone has never been backed up. I have tried everything i can think of besides a fresh restore on phone which i really dont want to do, have done a fresh restore on computer new install of itunes deleted everything related to apple and iphone on computer but still no luck. It used to work fine so any help or ideas would be really appreciated. I am running windows 8 on a dell laptop and jailbroken..