HP 8100 1.0n Firmware Help

I cant seem to get this firmware installed everytime I try I get a error message that says ERROR: Could not find HP SureStore CD-Writer Plus Drive… Then I look at the status.txt file and it says Update program started at 00:47:22 on 11/29/02.
ERROR: Could not load CDR4DLL.DLL

Please Help me I need to burn about five things that are all over 79 minutes… PLEASE PLEASE Help me

Perhaps this will be of any help…

http://www.cdr.cz/rekordery/hp/8100.htm

You can find the dll here.