wine users - Apr 2011 - Strange "Program Files" directory suggested

I have wine 1.3.16 installed and it suggests C:\windows\system32\unknown for
program installers instead of C:\Program Files. Does anyone knows what could be
the problem? Some registry key maybe?

Does this persist if you rename or delete ~/.wine ?

Yes

what version of linux?  32 or 64 bit?

Where did you get your version of wine?

64 bit Fedora 14, got wine-wow 1.3.16 from Fedora repository