Yes, I've been using it since the public beta release of Win 7 64-bit. The only problem I've noticed (twice, so far) is that the automatic update fails and Window's Action Center warns you about outdated AV-protection. This have never happened with KAV 2009 on my Vista installation. However, it...
Since it's impossible to install a 64bit Windows on a 32bit system, you must have a 64bit processor. So why should you limit yourself with a 32bit Windows? Anyway, do you use an Anti Virus software? I experienced the same problem that you described when I had KAV 2009 installed. It seemed to...
I have a 4870 myself. If you want to use the 8.12 drivers, you need to run the installer in Vista Compatibility mode. I however, use the 8.12 Windows 7 preview package (linked on their drivers page) and it works flawlessly. It could also be that you already have the driver update (prerelease...