July 1 itunes Mac version updated to 12.2, there are many users in the process of using the error situation, prompted "itunes unknown error 50", then this situation should be how to deal with it? A detailed description of the specific solution to the problem.
According to the information on the Internet, ITunes prompts "Unknown error-50", mostly due to the related configuration document parameter error, and the simplest way to solve this problem is to reset the configuration document. It is important to note that the path of the itunes parameter configuration document itunesprefs is different because of the Windows XP and Windows 7 or higher system:
If it is an XP system, we need to enter c:documents and settings user name Applicationdataapple computeritunes, delete itunesprefs.xml file (Figure 2); 7 or later, you need to enter the C:users user name Appdataroamingapple computeritunes Delete the Itunesprefs.xml file. After deleting the file, it is recommended to restart the system, then run itunes will be prompted to re-configure, after completion of normal use.
If the problem persists after you use the above method, please try to go to "itunes→ edit → preferences → parental controls", where you first select disable itunes Store (Figure 3), leave "Allow access to itunes U", OK to restart itunes, Repeat the previous action and cancel disabling the itunes Store, so you can resolve the "Unknown error 50" issue.