I'm
positively positive that you didn't succeed in
fully installing ASPI version
4.6 : to that effect, U have to use - in DOS - the KILLASPI command, then reboot, then again in DOS run INSTASPI with the correct option according to your OS, then reboot, then run 'aspichk.exe' to make sure all 4 files are v4.6.
In my case, Clonyx (or Clonyxxl, whatever, just abbreviating) had some probs with versions 4.71 AND 4.72 - either it didn't load any ASPI, or it didn't recognize
virtual drives, ... On the other hand, version 4.6 worked with Clonyx, but I still had some issues with (updated) Nero Incd's packet writing, or reading packet-written disks, ie. bluescreens at times, zut alors

.
However, if you really did revert back to 4.6 and Clony didn't work for God knows what reason, I have discovered a (makeshift) alternative that
could help: replace window's 'WNASPI32.DLL' file (which should be in c:\winnt\system32 or something) with
Nero's version of the file, after having made a backup of the former if U wish.
This ASPI stuff is beyond my grasp, I'm not even sure what ASPI is: from what I've gathered so far, ASPI is some sort of generic
driver for ANY optical device

- which is why no drivers are ever provided when buying a CD/DVD reader/burner.
But what I can say is this: my "new method" (patent pending

) has solved both my Clony AND InCD probs & I've had no reading/burning issues so far

.
PS. upon running 'aspichk.exe', it might tell U that ASPI is not properly installed. Pay no heed to this crap..