How to distribute a package before a Windows shutdown ??

Hi everybody,

I'll explain my problem in few words :

We have about 600 servers rebooting at different time and by different ways (some are scheduled reboot, other are manually rebooted and others are rebooted by another application).

My problem : I have to deploy the new Landesk 9.5 agent and the new antivirus software at the same time on all the servers. The package works fine with the dependancies.

My question : We would like the package to be executed before the next shutdown of the servers (scheduled or not). Is there a way to do this in Landesk 9.5 ?? Is there an option or a trick that will allow my package to be executed ON SHUTDOWN of the computer ???

Thank's a lot for your answer !