I've just tested on my Win7 64 RC1 system & both the 32 and 64 bit versions installed successfully. This suggests that there's something particular with your system (such as our installer relying on a component that isn't present) that is causing the issue. The Compressonator should & does support Win7.
I'll speak to our installer guru & see if he has any suggestions.
First of all thank you for the quick response.
After reading your answer I wanted to add something I missed when I posted my question:
I also tried to install the 32 and 64 bit version and even the old version 1.41, which I still have, and all of them gave me the exact same behaviour.
Maybe this information can give you a hint...
If you need any more information I will be glad to give you anything I can.
Sorry to resurrect this thread, but I've just tried to install the compressonator on 4 different 64-bit Windows 7 (Professional, Service Pack 1) machines and had 2 of them fail with exactly the same outcome as CSeidel reported. FWIW it doesn't get as far as the license agreement window. For installing, I've tried both the 64-bit and 32-bit versions.
Having said that, the two where the install succeded, (both 64-bit executables) won't open any image files! I haven't tested these with the 32-bit installer.
As a work around, I've just copied the installed compressonator directory, lock, stock and barrel, off a 32-bit XP machine - but that's not an elegant solution.