So I need to update my ATI driver for sims 3 to work.. except I don't have all the updates my computer needs.. could this effect the ati driver to mess up my system?Also I did this"Even if all critical updates have been installed on your computer, optional updates might be available for ATI Graphics Driver that have yet to be installed. Here's how to use Windows Update to check for and install optional driver updates:Click to go online to the Windows Update websiteClick Custom to scan for optional updates.In the left pane, under Select by Type, click Hardware, Optional. Select available updates for ATI Graphics Driver.Click Review and install updates, and then click Install Updates."Except there is no update about ATI.can someone help??Do i need to install the other updates first??