2.Type in the following command: “sudo rm -r” (without quotes) and then drag and drop the receiver on the terminal window.
Note : “sudo rm -r” is most powerful command which will delete all the files and directories under the present working directory, please make sure you are executing this command under correct required directory
3.Hit Enter on your keyboard.
4.You may be prompted to enter your OS X user password. Type it in and then hit Enter on your keyboard.
5.All the directories & files would be successfully removed.
6.Install the latest receiver and test.