We are installing the EmailXtender 4.81 search plug-in on our users' machines. Two users have reported that they have an install box that won't go away. It says:

Legato EmailXtender 4.81 Client

Please wait while Windows configures LEGATO EmailXtender 4.81 Client

Gathering Required Information

It just seems to be hung. Any ideas as to why this is happening? It still appears after a reboot - it just seems like it is having a problem installing.