Hi,
I've been having this problem for sometime on Windows 7 on 3 different computers and 3 different keyboards.
When I run CCleaner on Windows 7 the hotkeys (volume buttons/home button) that I get with every type of keyboard does not work anymore, but they do before I use CCleaner.
I've tried reinstalling the driver, even uninstalling all the USB ports (they are USB keyboards) and letting Windows 7's update system reinstall the USB's.
I am using the latest version of Windows 7 Ultimate (7127) at 64-bit and the other 2 computers run Windows 7 Ultimate (7100) 32-bit.
I built my computer myself the keyboard I use is a Microsoft Comfort Curve Keyboard 2000, and the other 2 computers are Packard Bell computers with a Packard Bell Piano Keyboard.
Could you look into this problem for me?
Thanks,
Paul