How to Disable Tabs? or Disable addon update? FIREFOX PORTABLE 16.0.2

On opening Firefox 16.0.2 on various machines, windows softwares like realplayer etc would want to change some firefox settings. There are new tabs that get opened. I really DO NOT Want nay tabs except ONE TAB.

Is there a way on PORTABLE FIREFOX to disable tabbed browsing? or is there a way to stop those windows softwares access firefox.

This is really annoying!!!

Thanks in Advance