Q: We could not complete your iTunes Store request.  An unknown error occurred (10053)

Hello engrjocjoc,

Thank you for using Apple Support Communities.

For more information, take a look at:

iTunes: Possible iTunes Store errors

http://support.apple.com/kb/ts1424

After trying the steps specific to your error, you can try these steps.

iTunes: Advanced iTunes Store troubleshooting

http://support.apple.com/kb/TS3297

Have a nice day,

Mario