[tanatos]

goto conversion tutorial subforum, look in useful programs sticky topic,
http://fileforums.com/showthread.php?t=92995
and grab the Reg to INNO Converter ENG.rar file. Save the above reg entry
as a file then use the above program to convert that reg file, into ISS script entry that you put into the [registry section] in the INNO script from this conversion.

now it works perfectly, thanks for your help