[Solved] iTunes Store Error -50
i will show how to fix iTunes Store Error -50 http://youtu.be/kp7kRjpgqv4
Method 1
There are many reasons please check certain types of software may affect iTunes store.
Firewalls
Web Accelerators
Ad Filters
Virus Protection Software
Method 2
If you using computer in office network, then try using a different computer on the network or discussing the issue with the network administrator.
Method 3
If you want how to fix this issue then deleting the cached video files for the download. The folder will be named for the purchased video, and the name will end with .tmp and after that resume your download again.
OS X: ~/Music/iTunes/iTunes Media/Downloads
Note: The tilde (~) refers to your Home directory.
Windows 7 and Windows 8:
\Users\username\My Music\iTunes\iTunes Media\Downloads\
Windows XP:
\Documents and Settings\username\My Documents\My Music\iTunes\iTunes Media\Downloads\