I've got some media files in WMV format that I purchased several years ago, and the vendor has since gone out of business. The files are on an old desktop PC running Windows XP, and I'd like to move them to my new Windows 8 system. Is there a way to retrieve the keys for these files and transfer them to the new computer? (I'm not sure if that's even how the DRM works, just guessing that there was some kind of key generated when I originally purchased them.) Is it even possible to move DRM-protected files between systems, or are they somehow tied to the original PC where they were purchased?
I've tried searching for the company online, and they're nowhere to be found. I purchased this content years ago, and figured that somehow the license was tied to the physical hardware, but wasn't sure if I could still somehow transfer whatever rights are necessary to play the files. When I try to open the .wmv files in Windows Media Player on the new system, it says:
You do not have the rights to play this file. Go to the content provider's Web site to find out how to obtain the necessary play rights. Address: http://license.drmnetworks.com/v9.aspx
However, that link is broken, the page says "Invalid challenge string". When I close the initial error dialog, a second one is displayed:
Windows Media Player cannot play, burn, or sync the file because the media usage rights are missing. If you obtained the file from an online store, sign in to the store, and then try again.
And no, I'm not trying to circumvent the DRM, just move the license that I paid for to my new computer.