Quote:
Originally Posted by Eagle of Fire
In the TTD game thread I theorized that our registry file was not updating the right registry file for Windows 7 users, leading the game to remain "uninstalled" inside the OS.
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Didn't see that thread. The registry is another matter, but there's the same situation. In 64-bit Windows, 64-bit programs see the registry normally. But 32-bit programs see virtualized locations, e.g. "hkey_local_machine\software\wow6432node" instead of "hkey_local_machine\software\". "hkey_classes_root\wow6432node\" instead of "hkey_classes_root\", etc.
All this allows 64-bit and 32-bit programs to live alongside, even both versions of the same program.
I'll add all this to the Troubleshooting FAQ when I have a little time.