First off, you should only ever have a single antivirus software as multiple antiviruses will get in the way of each other and cause havook in your system. in addition, if you were to uninstall any of them, you would need to use a special uninstaller tool, usually given out for free by the same company who makes the antivirus software.
There are various security softwares that you can use in additon to an antivirus, but only ever have a single antivirus at any one time.
Now, are you able to connect to the internet without any problems? Can you restart the computer and try again?