Your User Agent shows that your are using Firefox 3.6.16 (click "More system details" to the right of your original question and scroll down to see: ''Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.16) Gecko/20110319 BTRS26718 Dealio Toolbar 3.1 '''Firefox/3.6.16''' ( .NET CLR 3.5.30729) '''FBSMTWB''''' See --> https://support.mozilla.org/en-US/kb/Finding%20your%20Firefox%20version The problem with your User Agent being changed could be caused by Fast Browser Search (FBSMTWB) being installed on your system:<br /> '''<u>Remove Fast Browser Search</u>''' *http://help.fastbrowsersearch.com/ *http://www.pccybertek.com/2009/05/remove-fast-browser-search '''<u>THEN, reset your User Agent</u>''': *See either of the following: **https://support.mozilla.org/en-US/kb/websites%20or%20add-ons%20incorrectly%20report%20incompatible%20browser#w_reset-your-user-agent **http://kb.mozillazine.org/Resetting_your_useragent_string_to_its_compiled-in_default *Also see --> http://en.wikipedia.org/wiki/User_Agent '''If this reply solves your problem, please click "Solved It" next to this reply when <u>signed-in</u> to the forum.''' ------------------------- Not related to your question, but... You may need to update some plug-ins. Check your plug-ins and update as necessary: *Plug-in check --> http://www.mozilla.org/en-US/plugincheck/ *Adobe Shockwave for Director Netscape plug-in: [https://support.mozilla.org/en-US/kb/Using%20the%20Shockwave%20plugin%20with%20Firefox#w_installing-shockwave Installing ('''''or Updating''''') the Shockwave plugin with Firefox] *Adobe PDF Plug-In For Firefox and Netscape: [https://support.mozilla.org/en-US/kb/Using%20the%20Adobe%20Reader%20plugin%20with%20Firefox#w_installing-and-updating-adobe-reader Installing/Updating Adobe Reader in Firefox] *'''''Shockwave Flash''''' (Adobe Flash or Flash): [https://support.mozilla.org/en-US/kb/Managing%20the%20Flash%20plugin#w_updating-flash Updating Flash in Firefox] *'''''Next Generation Java Plug-in for Mozilla browsers''''': [https://support.mozilla.org/en-US/kb/Using%20the%20Java%20plugin%20with%20Firefox#w_installing-or-updating-java Installing or Updating Java in Firefox]