AddressBookSourceSync irritates the users a lot as it is continuously pop-up on the display screen and continuously asks for permission. Mac users face several issues on their devices that include Slowness, Constant freezes, and crashes because of the error. All these issues use all the resources of the Mac, which results in a reduction in the device’s performance. Although several users have tried updating the OS, change their accounts username, but still, they are facing the issues. Here in this workaround, we are sharing ways to solve these AddressBookSourceSync issues. We have only methods that are reliable and safe for your device. Solutions for AddressBookSourceSync Issues There are several users that said they are facing this issue soon after they have upgraded their Operating system to 10.7.1. They used Activity Monitor to fix this problem; however, sometimes it doesn’t work. The best solution for this issue is to run a scan for Anti-Malware, although several people cla...