If you are trying to keep an older E6550 system running smoothly, consider these quick hardware upgrades instead of fighting with old drivers:
If you know your motherboard brand (e.g., Gigabyte, ASUS, MSI, Dell, HP), go to their support site. Enter the exact model number, and download the graphics driver from the “Downloads” or “Support” section under “VGA” or “Chipset.” intel-r- core-tm-2 duo cpu e6550 graphics driver download