642 upgrade help

i’m tryin to burn the 1109 firmware,but nero keeps saying unexpected file format,i followed the settings it told me to use,has anyone used nero for this??if so how?thanks guys

Here you can find how to do that:
http://www.p4c.philips.com/cgi-bin/dcbint/cpcontent.pl?hlt=Link_Software&searchtxt=dvp630&slg=ENG&mid=Link_Software&cat=DVD_PLAYERS_RECORDERS_CA&sct=DVD_PLAYERS_SU&grp=HOME_AUDIO_VIDEO_GR&ctn=DVP630/00&DCT=FUS&DID=ENG