even with a continual test model.
(proven fine with other Octane Versions)
Update: Instead of opening the already worked on .ocs (either of the 2 I had - at various stages), I started from scratch with the exported .obj and, this time, did not crash out. Down side: I'll have to reassign everything.
Update 2: Hmmm... After Redoing the model everything seems o.k. - maybe some obsolete tech that's no longer used w/in the older version?
Anyway I am going to get the latest Cuda Drivers and see if things smooth out.
Definitely Better Response, though

Update 3: Bad News. After this new work is saved, it can no longer be opened without crashing out.
anyway, the error report follows; hope it helps
<?xml version="1.0" encoding="UTF-16"?>
<DATABASE>
<EXE NAME="octane.exe" FILTER="GRABMI_FILTER_PRIVACY">
<MATCHING_FILE NAME="cudart64_30_14.dll" SIZE="392704" CHECKSUM="0x7A20CBFC" BIN_FILE_VERSION="6.14.11.3000"
BIN_PRODUCT_VERSION="6.0.6000.16384" PRODUCT_VERSION="6,14,11,3000" FILE_DESCRIPTION="NVIDIA CUDA Runtime, Version 3.0.14 "
COMPANY_NAME="NVIDIA Corporation" PRODUCT_NAME="NVIDIA CUDA 3.0.14 Runtime" FILE_VERSION="6,14,11,3000"
ORIGINAL_FILENAME="CUDART64_30_14.DLL" INTERNAL_NAME="CUDART" LEGAL_COPYRIGHT="Copyright © NVIDIA Corporation 2010"
VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x40004" VERFILETYPE="0x2" MODULE_TYPE="WIN32" PE_CHECKSUM="0x0"
LINKER_VERSION="0x0" UPTO_BIN_FILE_VERSION="6.14.11.3000" UPTO_BIN_PRODUCT_VERSION="6.0.6000.16384" LINK_DATE="02/23/2010
23:03:27" UPTO_LINK_DATE="02/23/2010 23:03:27" VER_LANGUAGE="English (United States) [0x409]" />
<MATCHING_FILE NAME="FreeImage.dll" SIZE="3012096" CHECKSUM="0x8073721D" BIN_FILE_VERSION="3.13.0.0"
BIN_PRODUCT_VERSION="3.13.0.0" PRODUCT_VERSION="3, 13, 0, 0" FILE_DESCRIPTION="FreeImage library" COMPANY_NAME="FreeImage"
PRODUCT_NAME="FreeImage" FILE_VERSION="3, 13, 0, 0" ORIGINAL_FILENAME="FreeImage.dll" INTERNAL_NAME="FreeImage"
LEGAL_COPYRIGHT="Copyright © 2003-2009 by FreeImage" VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x40004"
VERFILETYPE="0x2" MODULE_TYPE="WIN32" PE_CHECKSUM="0x2E5DE4" LINKER_VERSION="0x0" UPTO_BIN_FILE_VERSION="3.13.0.0"
UPTO_BIN_PRODUCT_VERSION="3.13.0.0" LINK_DATE="03/25/2010 12:51:04" UPTO_LINK_DATE="03/25/2010 12:51:04" VER_LANGUAGE="English
(United States) [0x409]" />
<MATCHING_FILE NAME="FreeImagePlus.dll" SIZE="94720" CHECKSUM="0xF00FD2F" BIN_FILE_VERSION="3.13.0.0"
BIN_PRODUCT_VERSION="3.13.0.0" PRODUCT_VERSION="3, 13, 0, 0" FILE_DESCRIPTION="FreeImagePlus library" COMPANY_NAME="FreeImage"
PRODUCT_NAME="FreeImagePlus" FILE_VERSION="3, 13, 0, 0" ORIGINAL_FILENAME="FreeImagePlus.dll" INTERNAL_NAME="FreeImagePlus"
LEGAL_COPYRIGHT="Copyright © 2003-2009 by FreeImage" VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x40004"
VERFILETYPE="0x2" MODULE_TYPE="WIN32" PE_CHECKSUM="0x2298E" LINKER_VERSION="0x0" UPTO_BIN_FILE_VERSION="3.13.0.0"
UPTO_BIN_PRODUCT_VERSION="3.13.0.0" LINK_DATE="03/25/2010 12:51:08" UPTO_LINK_DATE="03/25/2010 12:51:08" VER_LANGUAGE="English
(United States) [0x409]" />
<MATCHING_FILE NAME="octane.exe" SIZE="42696192" CHECKSUM="0x4FEE321B" MODULE_TYPE="WIN32" PE_CHECKSUM="0x28C1455"
LINKER_VERSION="0x0" LINK_DATE="10/01/2010 14:39:42" UPTO_LINK_DATE="10/01/2010 14:39:42" />
</EXE>
<EXE NAME="kernel32.dll" FILTER="GRABMI_FILTER_THISFILEONLY">
<MATCHING_FILE NAME="kernel32.dll" SIZE="1504256" CHECKSUM="0x5CD29B99" BIN_FILE_VERSION="5.2.3790.4480"
BIN_PRODUCT_VERSION="5.2.3790.4480" PRODUCT_VERSION="5.2.3790.4480" FILE_DESCRIPTION="Windows NT BASE API Client DLL"
COMPANY_NAME="Microsoft Corporation" PRODUCT_NAME="Microsoft® Windows® Operating System" FILE_VERSION="5.2.3790.4480
(srv03_sp2_gdr.090321-1244)" ORIGINAL_FILENAME="kernel32" INTERNAL_NAME="kernel32" LEGAL_COPYRIGHT="© Microsoft Corporation. All
rights reserved." VERFILEDATEHI="0x0" VERFILEDATELO="0x0" VERFILEOS="0x40004" VERFILETYPE="0x2" MODULE_TYPE="WIN32"
PE_CHECKSUM="0x1773D3" LINKER_VERSION="0x50002" UPTO_BIN_FILE_VERSION="5.2.3790.4480" UPTO_BIN_PRODUCT_VERSION="5.2.3790.4480"
LINK_DATE="03/21/2009 16:59:09" UPTO_LINK_DATE="03/21/2009 16:59:09" VER_LANGUAGE="English (United States) [0x409]" />
</EXE>
</DATABASE>