Why doesn't Mathematica 4.2 find the application I installed to $UserAddOnsDirectory or $PreferencesDirectory on Unix?
 If you installed an application into $UserAddOnsDirectory (previously known as $PreferencesDirectory) or $AddOnsDirectory, you will need to move the directory. The installer creates an directory that is no longer compatible with Mathematica 4.2. | 2. | Locate the installed application. You will probably find its directory in , although you may have installed it to . |
| 3. | Move the Application's directory to . |
| 5. | Rebuild the Help Browser Index. |
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