Go here:

http://www.tweaktown.com/files.shtml

They have an app called 'DXuninstaller' that is supposed to
take care of this sort of thing.

Although I believe Vegas 2.0b was tested pretty extensively
on DX8.



Miles Khouri wrote:
>>DirectX 8 is uninstallable
>>If you have already installed it, try the following:
>>
>>- Back up your registry
>>- Start RegEdit
>>- Go to: HKEY_LOCAL_MACHINE/Software/Microsoft/DirectX
>>- Change the value 4.08.00.xxxx to 4.05.00.xxxx
>>- Save your changes in the registration
>>- Install DirectX 7a
>>
>>