This is a Firefox support site (which BTW you are using an ancient version of Firefox, update immediately [[Update Firefox to the latest version]]). For your DVD question, [https://www.google.com/#hl=en&tbo=d&output=search&sclient=psy-ab&q=how+do+I+format+a+DVD https://www.google.com/#hl=en&tbo=d&output=search&sclient=psy-ab&q=how+do+I+format+a+DVD]

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.7) Gecko/20091221 YFF35 Firefox/3.5.7 (.NET CLR 3.5.30729) FBSMTWB

You may have a corrupted user agent that identifies you as Firefox/3.5.7 Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.7) Gecko/20091221 YFF35 Firefox/3.5.7 (.NET CLR 3.5.30729) FBSMTWB See: *https://support.mozilla.org/kb/Finding+your+Firefox+version *https://support.mozilla.org/kb/websites-say-firefox-outdated-or-incompatible *http://kb.mozillazine.org/Resetting_your_useragent_string_to_its_compiled-in_default