deleted.

[knowhate]

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[Winni]

I don't understand. I thought Windows 7 64 bit should be backwards compatible with most recent programs?

It is, and in my experience 64-Bit Windows 7 is the best desktop Windows release since Windows NT Workstation 4.0.

So far, I have only seen anti-virus software being so specific about the host operating system - you need a 64-Bit Anti-Virus software on a 64-Bit OS and a 32-Bit Anti-Virus software on a 32-Bit OS. Everything else usually "just works".

However... There is a chance that certain DRM drivers of certain older games are not compatible with 64-Bit Windows. If you buy those older games on Steam, however, they won't have this problem because Steam uses a 64-Bit compatible DRM layer.

 

[knowhate]

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[Kalkyl]

Im running bootcamp Win7 x64 on a 27" imac. I have no problems with games, tried battlefield bad company 2, sims3 and trackmania nations and no problems what so ever with install or running the games.
Have you installed all updates in win7?

*edit* You could try to right-click the installer and chose "run as admin", might be UAC (user account control) that is messing with you.

 

[knowhate]

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[AnonMac50]

So far the only time that happened with me (a MacBook Pro) was when I ran a game made in 1998 (I think it was 16-bit), but other than that, it is pretty good. See if reinstalling would help.