PrefCleaner is a System Utilities software developed by Modesitt Software. After our trial and test, the software is proved to be official, secure and free. Here is the official description for PrefCleaner:
Edit By BS Editor: Many application problems can be solved by deleting the application's preference file. Drag an application to the PrefCleaner window or icon, and the application's preference file will be sent to the Trash.
PrefCleaner is a free application for personal use. Commercial use please inquire for licensing information. you can free download PrefCleaner 1.0 now.