https://forums.autodesk.com/t5/maya-forum/script-editor/m-p/5875831#M68773 <P>Found the answer: <A href="http://forums.cgsociety.org/archive/index.php/t-970567-p-3.html" target="_blank" rel="nofollow">http://forums.cgsociety.org/archive/index.php/t-970567-p-3.html</A></P><P>&nbsp;</P><P>In Regedit browse to " HKEY_CLASSES_ROOT\htmlfile\shell\open\command "</P><P>&nbsp;</P><P>Change the Default value from:</P><P>&nbsp;</P><PRE> "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" -nohome</PRE><P>&nbsp;</P><P>to</P><P>&nbsp;</P><PRE>"C:\Program Files (x86)\Mozilla Firefox\firefox.exe" ""%1""</PRE><P>&nbsp;</P><P>Copy the above Reg Value exactly, there are quotation marks at the start and end of the code. So, Six quotation marks in all.</P><DIV class="UserSignature lia-message-signature">System information: Win7 x64 / AutoDesk Building Design Suite Premium 2015 / Nvidia GTX980 4GB (355.98 Driver).</DIV> Fri, 23 Oct 2015 18:09:02 GMT wispoxy 2015-10-23T18:09:02Z