I got a error message while I was removing Goggle Chrome and seen GeForce had a error or something .I went to thier site and Yep they have updates maybe this will help with your UO speed.
Here is the link or just go to the site
http://nvidia.custhelp.com/cgi-bin/nvidia.cfg/php/enduser/std_adp.php?p_faqid=2186
Here is the link or just go to the site
http://nvidia.custhelp.com/cgi-bin/nvidia.cfg/php/enduser/std_adp.php?p_faqid=2186