The file jas.dll is a dynamic link library used by Juno from Juno Online Services, Inc. Juno Online Services is a subsidiary of United Online that has been providing low-cost ad-supported online services for many years. This file is part of the Juno client, and if you are seeing errors with it, you may not be able to access your Juno account. To repair this problem, you should clean your registry.
The Windows registry is a database that keeps track of everything you have installed on your computer so your operating system can find it to run it when needed. An error in a registry entry may disable any programs that need the information in that entry to run. When you get such an error, run ZookaWare PC Cleaner to clean it up.
ZookaWare PC Cleaner comes with a unique guarantee that means you will get a fix for your problems quickly. Try a free ZookaWare PC Cleaner scan now to see what errors are stopping your registry from working at its best.