I Want My Music Back

I have just upgraded to W7 from Vista, PTL! But my issue actually goes back a ways. My guess is this has been covered as far back as XP forums but I have never found a fix.

I have a LOT of music I have downloaded & paid for that I cannot play. Some has actually been ripped from CDs I own. One of two things occur when I try to play these files;

A window opens "Media Usage Rights Acquisition", "license.fullaudio.com", "Program cannot display web page"

Or, I see another box with similar request that never works.
Please help! Sry if this is covered somewhere else.