1) Doesn't matter if I plug the zip drive or the external drive directly into the usb ports on the computer or into a hub. I get the same results.
2) There are no conflicts showing in device manager.
3) Logical disk manager is running along with shell hardware detection.
I have Microsoft trying to find a solution also but so far no luck. They had me locate the Lowerfilters in the registry and delete it but it didn't help
MSI K8N Neo4 Platinum
Nvidia GeForce 7600GT OC
(1) 500 GB SATA2 WD HD
(4) Seagate 320 GB SATA2 HD in Raid
Audigy 2Z Platinum
Corsair 1GB x 2