Unlocking a protected application

You just need your admin password to change that. click on Sharing & Permissions and click on the padlock on the bottom right.

 

What happens if you drag the application to the trash?

 

If you have an Admin password, you should be able to delete the application as follows:

1) Open Terminal (in Utilities).

2) Copy and paste the following into the Terminal window, but don't press return yet.

Code:

sudo rm -rf

3) Type a space or two at the end of the line you just pasted into Terminal.

3) Drag the application icon you wish to delete into the Terminal window. This will append the application's path to the command you pasted in.

4) Click on the Terminal window to make it active, and press return. Supply an admin password when requested.