

Step 2: On the User Account Control dialog box, click Yes. Step 1: Right-click the iTunes shortcut and select Run as Administrator. However, providing iTunes administrative privileges should allow it to bypass such restrictions and open up as usual. This, in turn, restricts iTunes from gaining access to certain areas of your PC and stops it from launching.

Various reasons – operating system updates, for example – may change the default permissions of the numerous files and folders that iTunes uses.
