This add on removes all my tabs from the previous session Rated 1 out of 5 stars

I have tried this add- on twice and each time when FF restarts I lose all the tabs I had before I installed the add on. I get a blank web page screen with one blank tab and no home page. This is not acceptable. The only way to get the tabs back is to go to FF safe mode or restart the computer. Closing and restarting FF manually does NOT restore my tabs.

All I wanted to do was to make web pages fit my window and not have to scroll to see the right hand side of the page or use CTRL -

This review is for a previous version of the add-on (6.0.2).