Firefox 27.0.1 configured towards security and privacy. This update in particular FALSES both 'workers' and 'indexedDB'. These two items are behind recent patches for newer editions, and are also part of Meltdown/Spectre concerns. This download is intended to be placed in /root and extracted there. The entire .mozilla file will be over-written! in favor of this edition. One should seriously consider making a back-up copy of the present .mozilla and storing elsewhere. Separately make a copy of bookmarks in HTML.
The separate text file contains a sha256 sum for verification.