Directx Problems

[Wrathis]

I currently have Directx 9.0a when i installed directx 9.0c off of the the EQ2 disks it would not work, it would say not tested for Windows Logo and will not install this program.....well i tried it again by d/ling it off of microsoft.com still the same problem, what do i have to do to get my comp to d/l it.....would i need to find 9.0b or change some settings? pls help....must play EQ2 ! lol