Mu5ician

OK, got a solution is you'd like to try it? I know it's a late reply, but still. You have to uninstall every usb device under Human Interface Devices in Device Manager. Restart your pc without the keyboard and mouse you were first having troubles with plugged in. When Windows starts up again, reconnect your devices and they'll install automatically. Basically an uninstall and reinstall of the keyboard and mouse.

I'm having the same problem too. Vista HP x64 using 1.2 Vlite version. PS2 keyboard works without any problems, but I don't have a mouse ps2 on my motherboard...great. But, the mouse is installed in deivce manager.