Comment 2 for bug 1427144

George Shuklin (george-shuklin) wrote :

I think problem is in the file /usr/share/xfce4/helpers/firefox.desktop

It call firefox with:

X-XFCE-Commands=%B -remote "openURL(about:blank,new-window)";%B;
X-XFCE-CommandsWithParameter=%B -remote "openURL(%s)";%B "%s";