[xweaponx]

For public information:

If you have an earlier version installed of nueLED (I had the rom-equipped 1.0) and try to upgrade by .cab, first delete ALL of the registry keys & values for current version of nueLED. Then install 1.5 or higher .cab.

Keys are located here:
HKLM-->Software-->Wei Enterprises-->nueLED

This enabled a clean installation without the registry key value errors...