dont know, sorry. Try running it as administrator (right click > chose run as
administrator).

Ive fixed a lot of problems that way myself.

"Eric" wrote:

> I'm wondering if anyone can help me here. In Windows update I had the
> computer download the Zune software update for Windows Vista. I need this
> to be able to use my Zune with this computer. I'm trying to get my Zune to
> work and if I use the CD that came with my Zune, it won't install it on
> Windows Vista (Says it isn't compatable with this version of Windows).
> Anyway, after downloading the update when the computer went to install it, I
> get a failed window with an error code 634. Anyone know what this error
> code means and what I can do to correct it? I really would like to get my
> Zune working correctly on my computer as I have gotten rid of my other
> computer that had XP on it and ran that program. Any help would be
> appreciated, I'm really flustered as I have no idea what the 634 means
>
>