HKEY_CLASSES_ROOT\CLSID\{....}\InProcServer32

[Frederick J. Harris]

Just yesterday I was converting some C registry code to UNICODE and 64 bit and when I looked at the code to build the COM registry entries I wondered if the \InProcServer32 key might have been changed to \InProcServer64 in Windows 7 64 bit installations.  I looked through about 20 random entries and see its still listed as InProcServer32.  I guess even Microsoft figured in the late 1990s that 32 bit would go forever! 

I'm thinking of converting my grid code to C or C++ (or both, just to compare) 64 bit.

[Charles Pegge]

For portability reasons, the '32' tag remains. MS system DLLS are stuck with it on 64 bit platforms. Kernel32.dll, User32.dll etc.

[Mike Stefanik]

They really should have just bit the bullet, changed the names and did something more logical (like \windows\system64 for the 64-bit components). For backwards compatibility, they could simply create hard links just for existing 32-bit applications. There was also significant code changes required for compatibility with UAC when Vista was released, I think that would have been a good time for the transition. Kind of like ripping off the Band-Aid all at once. Yes, there would have been more hand-wringing, wailing and gnashing of teeth ... but that was happening anyway with Vista.

[Theo Gottwald]

Just like the geniouse idea with WOW64 that is in fact 32 ...