[fendermarshall]

Thanks albee1952 but unfortunately that didn't work. I uninstalled protools completely. I then installed version 8.0 from the cd followed by the 8.0.4 update. I didn't plug the mbox 2 in at any stage during these installations. Finally I installed 8.0.5 and when prompted I plugged in the mbox 2. Alas, the device still supposedly has no drivers installed and doesn't work.
Any other advice/suggestions would be appreciated.
I might try posting this problem on a Microsoft forum as I have a suspicion it may be more of a windows 7 issue than an issue with pro tools or the mbox 2 mini.