Yes, that's what I have been fixing, but I cannot find one particular registry key anywhere.
x86_microsoft-windows-t..tivexcore.resources_31bf3856ad364e35_7.2.7601.18361_ar-sa_9a8f95f9499b43a4
This is preventing us from making progress. I could try and remove its references by other means if you like, but I'd need a fresh copy of your COMPONENTS hive.