Run a Script when I get a Quota Exceeded Warning

I'm trying to run a script that deletes some appdata (TVP and Adobe) on a group of windows xp workstations that have a 30mb quota for the user's documents and settings.

Right now I have it as a Shortcut on all users' desktop. It would be a lot better to have it run when the profile storage size warning pops up and blocks the log off.

I tried it in gpedit but the problem is that this prompt shows up before running log-off scripts.

Is there any way to have the script run between when the user clicks to log off and when the Quota warning interrupts the log-off process?