How to Disable Grokster
1. Select Options… from the Tools menu.
2. Select the Sharing tab. Uncheck the box labeled Share files in ‘My Shared Folder’. To make sure you are not sharing any other folders click the Add Other Folders button.
3. Look for drives and folders with red boxes next to their names. These drives and folders have shared sub-folders. Expand the directory tree by click the + buttons, and uncheck all of the selected check boxes. Click OK. Click OK.
You cannot unshare “My Shared Folder”.