I have an Acer Aspire 5920G laptop which has an Nvidia GeForce 8600M GT graphics card. One day I was upgrading its drivers to the latest offering on the official Nvidia website and due to a glitch which I assume was completely unrelated Vista suffered a major crash and the installation was terminated. Ever since whenever I have tried to install drivers the installer will not proced because I am apparently ‘not running Windows’. Does anyone know how I can fix this and install a fresh, working copy of the drivers onto my machine. I ask because I am getting all sorts of random errors where Vista says the display driver has crashed and needs to be recovered.