The file j2gshell.dll belongs to eFax Messenger from j2 Global Communications, Inc. eFax Messenger allows computers to send and receive faxes on their computer system. This file is a shell extension of eFax Messenger, which means that it adds the eFax file type to your computer and menu items that you can use with that file type. If this file is missing or corrupted, your eFax Messenger files may not open properly on your machine.
Dynamic Link Library files add code and instructions to a computer program. This dll includes information that adds to the functions of Windows programs as well. You can see the results of a shell extension when you open Windows explorer and look at different file types. These files are important to keep your system running smoothly.
Windows keeps track of them using the Windows registry. If you get an error with a dll, the registry probably needs to be cleaned. Run ZookaWare PC Cleaner, the registry cleaner, to find and fix all registry errors guaranteed.