Therefore first try out without uninstalling these programs However there are many common entries in the Registry for i Pad, i Pod and i Tunes.
These entries shall need to be cleared and you may have to re-install i Pad and i Pod etc all over again.
As I have never done this myself before you shall have to be the guinea pig.
Disable firewall or, anti-virus software: Disable firewall or, any anti-virus software on your PC temporarily as they could prevent i Tunes from connecting to Apple servers.
Some Apps cost money (called "Paid Apps") and some are free (called "Free Apps").
Check i OS software version: You might get an error message that reads, "This device isn't eligible for the requested build", while trying to update or, downgrade to a firmware which Apple has stopped signing.
At the January 2009 Macworld Expo, Apple announced that all i Tunes music would be made available without DRM, and encoded at the higher-quality rate of 256 kbit/s.
Previously, this model, known as "i Tunes Plus", had been available only for music from EMI and some independent labels.
Music in the store is in the Advanced Audio Coding (AAC) format, which is the MPEG-4-specified successor to MP3.
Originally, songs were only available with DRM and were encoded at 128 kbit/s.