z3ta.dll is a DLL file that belongs to the Waveshaping Synthesizer program.  This program will convert sound waves into different types of sounds.  You may have installed this program onto your computer.  If you did and received an error message tied to this file, then there is possibly an error occurring in your registry.  Registry errors happen sometimes.  Errors happen within registries.  But, errors can sometimes pose as viruses, Trojans, or spyware.

If you are interested in getting rid of your errors and cleaning up your registry, then you should try ZookaWare PC Cleaner.  ZookaWare PC Cleaner is a trusted registry cleaner and promises to get rid of all of your errors and get your computer running smoothly again.  There is no risk in trying ZookaWare PC Cleaner because of the 100% error removal guarantee.  Most errors can be cleared with the very first scan.