im already download and extract 4897_Normal_450W_ovu.exe but i got this error message
ERROR: Unable to set-up NVFLASH driver (0x00000005)
Detailed :Access is denied.
Please note this error and contact your display adapter manufacturer's
technical support line. It is important that you leave your system ON and NOT
reboot until instructed by your manufacturer on how to proceed.
Press any key to exit...