How Can I Remove a Program or Plug

Understand that when you install a program on your Mac, it often places files and components in multiple locations. These typically reside in the program's folder in the 'Applications' or 'Utilities' folders, but many programs also install fonts, preferences, plug-ins and other supporting files in any of the following folders: Documents and both of the Library folders. (There is a Library folder on the top level of the hard drive as well as a Library folder contained within your 'Home' folder). Folders within the 'Home' Library folder include Preferences, Application Support, Caches, Cookies, Documentation and Receipts.
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Check to see if the software package has an 'uninstall' option that allows you to simply double-click an icon to remove all traces of the software from your MacBook. Software packages with multiple components, such as Adobe Creative Suite and Microsoft Office, have an uninstaller built in. Sometimes this option is buried deep within levels of the folders in the application, and in other cases it's only available on the original installation media.
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Perform a search on your computer by selecting 'Find' from under the 'File' menu in the finder or Command-F. Configure the search parameters to search the entire computer (This Mac), the name of the software package (File Name) and the pull-down menus as 'Name' and 'Contains' and type the program name in the search field. Hit the 'Enter' key to display a list of files that contain the name of the software package.
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Drag any associated components of the software directly from the search window into the trash on the dock. Once you've trashed all the files that contain the name of the software, start a second search (using the same settings as described in Step 3) with the name of the software package manufacturer. For example, if you entered 'Suitcase' in your initial search and trashed all the files containing the name 'Suitcase,' you should repeat the process using the word 'Extensis,' as Extensis is the manufacturer of Suitcase.
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Empty the trash once you've dragged all the associated files into it. If it doesn't allow you to proceed (if the files are 'In Use' or 'locked'), then reboot your Mac. Repeat the process when the MacBook is fully rebooted. If the trash still won't empty, hold down the 'Control' key while emptying the trash.
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