I have done a large amount of research on this subject. I have all my settings the way I want them. I however cannot get the mozilla.cfg file to work. I have pointed to it in the all.js which resides in the grpref folder and placed mozilla.cfg in progrma files\Mozilla Firefox. I have tried with both plain text and setting the obscure value to 0. I have also tried the online byteshift 13 converter and changed obscure value to 13. I have also used the try catch (e) statement to try and obtain more information. == This happened == Every time Firefox opened == After settings were configured == == User Agent == Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; InfoPath.2; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; MS-RTC LM 8; .NET CLR 1.1.4322)