UAC is on till you turn that service off. Just disabling it in the Control Panel>Users area doesnt disable that service. Plus some software that installs on Vista requires UAC to be on. I know it sounds strage but i have seen it before.
It could just that there is a registry change or a change to a kernel level access that WoW is requesting which is kicking the UAC prompts. Which is what UAC was designed for. To stop these types of things.
Without knowing or trying it myself i can't say for sure. But the only thing i can say is try to right click on the WoW install and use the Run as Admin command. Eitehr that or use the Compatibility tab with XP SP2 compatibility with Admin rights.
Have to remember that Vista upon install doesnt give you the Admin account like XP does. You are only a Power User with Admin Rights. The Admin account is hidden.
It could just that there is a registry change or a change to a kernel level access that WoW is requesting which is kicking the UAC prompts. Which is what UAC was designed for. To stop these types of things.
Without knowing or trying it myself i can't say for sure. But the only thing i can say is try to right click on the WoW install and use the Run as Admin command. Eitehr that or use the Compatibility tab with XP SP2 compatibility with Admin rights.
Have to remember that Vista upon install doesnt give you the Admin account like XP does. You are only a Power User with Admin Rights. The Admin account is hidden.