z2net.dll is a DLL file that belongs to the z2net.dll Module program. That may or may not make sense to you. Maybe you have received an error message associated with this file. Maybe you have had your computer crash only to reboot and see this file come up with some problem associated with it.
Whichever scenario it is, you need to get your computer fixed. Errors can happen with some regularity and while most of them are legitimate, some of them are a warning that something a bit more sinister is happening with your computer.
It is unnerving to have your computer functioning at less that optimum performance. You can combat these errors or find out of you have a virus or spyware with ZookaWare PC Cleaner. ZookaWare PC Cleaner is a registry cleaner that can fix all of your errors in your registry once and for all.