How to enable or disable startup program
The program can be enabled or disabled by any of the following methods ---
  • Operation - > Disable in the top menu bar.

  • Disable button in the tool bar.  

Select the entry in the right panel of the application and use any of the option above to enable or disable the particular application. Once you disable any application check mark available with the entry in extreme left will be removed along with the mark available in left of Disable option in the menu. To enable the application again repeat the same steps and it will add the check marks to the right of Disable menu and the entry of application in left panel.