Heeeeeelpppppp (again)

[FigoX]

Hello!
First.. i download Dt 4.0.3 x 86... i have an 64-bits compuuter but i dont have an 64-bits OS.. so i download that..xD..
i try to install and this message appears..
"This Program will Install SCSI Pass Through Direct (SPTD) layer on your computer. WARNING - SPTD is not compatible with kernel mode debuggers (SoftICE, WinDBG etc.)! Please cancel setup if you plan t use kernel debugger on this machine."
Then i press "ok" ..and ask me to reboot.. so i reboot .. then i try to run again the install and send me the SAME message.. well i read in the forums.. that i have to install sptd so i download.. from the download section.. i reboot first.. in safe mode "add" the sptd.. reboot again.. enter in normal mode.. and execute again DT.. but the SAME message agaiiiiiiiiin!!!! =_=.. i dont know what to do.. so please help!!! ..
my OS is windows xp pro servipack 2..
y try out with dt 3.44 the installation runs well but when i reboot.. send a message of INPUT DEVICE.. so no one works for me u.u.. help me please!!..
My english s0x.. (Im from Chile) so sorry.. xD..
Thanks for reading..

I have also.. Nero express 6 .. i dont know if that sw makes any problem in dt or any other sw (alcohol 120% or fantom cd) ..at the time there's no sw that works for me ... PLEASE HEEEEEEEEEELP!!! >.<!

I post again cause.. nobody help me .. maybe nobody knows the solution.. but at least.. post something!!! please.. that helps to the my problem..thanks.. anyway..
Bye!!

[Copytrooper]

Check the registry for the following key:
HKey_Local_Machine\Software\ 19659239224e364682fa4baf72c53ea4
delete it, if it still exists (actually it is volatile key of sptd layer setup, which should disappear after reboot).

[FigoX]

ok i find it!

[FigoX]

uhm no.. it doesn't work.. i delete it.. then i try to install.. the same message.. i reboot.. check the registry.. and there it was.. again i deleted.. again i try to install and the same message.. nothing works..=/.. I've tried everything.. thanks anyway.. if there's another idea for the problem.. posted i will try over and over again =P.. thanks again