Developers use this library to support AppleScript on PowerMacs. Without this file, you'll not be able to mount an Image file using ShrinkWrap. In some cases it is also required by the e-mail client Eudora. Keep it as some programs need this extension to run. ObjectSupportLib is built into OS 8 and OS 8.1. The presence of the file in the OS 8.x Extensions folder can cause all sorts of problems. Be sure to remove it if you are using Mac OS 8, 8.1 and 8.5.
