Live no longer opens .m4a files purchased from iTunes
I recently bought a new computer (PC) and tried to resume my old Live projects on this computer. Most of my old reference tracks were .m4a files purchased on iTunes (not ideal, but it's what I have at this point), and these files required no preparation to import into Live. However, I've tried to import the same files on my new computer with no luck.
I checked the Help article "Why Can't I Import Compressed Audio Files Into Live?" and followed all the instructions there regarding User Account Control, running as administrator, etc. but could not fix the problem. Something worth noting: though I installed the recommended demuxer and codec in the "Missing Codec" section just to be safe, it is possible that I missed a setting to be changed within these.
The problem is probably rooted in the changes between my systems...here are the differences.
Toshiba Satellite running Windows 7, Live 9 Standard, version ~9.2, 32-bit
Alienware R2 running Windows 10, Live 9 Standard, version ~9.6, 64-bit
So it seems I've narrowed it down to a demuxer/codec issue, an OS issue, an issue between Live install versions, and an issue between 32-bit and 64-bit. I checked the patch notes as well for the versions since 9.2 and did not see any removal of support for these files.
Does anyone have any suggestions as to how to fix this issue?
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