initially i didnt have this problem... but after screwing around installing o2 and bulldozer again several times in an attempt to get the textures to come in properly in o2 which i was eventually able to do... i now find that bulldozer works but instead of the background bieng a blue sky and green ground.. it is now black and gray with no lighting making it impossible to view objects and textures.. also when starting bulldozer it will say "failed to load str borovice horska.pd3", as well as some others. I tried copying these files from the original data3d file to the other data3d file installed with bulldozer.... this stopped the failure to load messages from popping up.. but did not correct the problem with the darkness...Bulldozer is corretly installed on a root drive x:\ which i created using the subst hint.. everything else works great... please help, Thanks John