Set your WB @t 16 bits 1024x768x60Hz, then try 68k test Warp3D It would help to determine if it's a W3D installation problem or a PPC lib problem.
Check also the version of your libraries :
CLI
cd C:
version thelibraryyouwanttoknow
then post them here
You can also try to install the GREX bios which content most of the good updates.
Which patch did you install in your startup-seq, and what have you in the BB2 ROM Update file