Not working in latest firefox 29. Rated 5 out of 5 stars

Doesn't work in firefox 29.

Reply to developer: Thanks updated it and its working fine. Thanks a lot. ;)

This review is for a previous version of the add-on (0.1.7.1-signed). 

Works fine for me...
Please try update to Private Tab 0.1.7.1 or provide more detailed bug report here
https://github.com/Infocatcher/Private_Tab/issues
or here http://forums.mozillazine.org/viewtopic.php?f=48&t=2665169&start=1999