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I am trying to separate the issues. Does the seadas you installed on linux have the same problem you described at the beginning of the post? Or the problem only exists with the seadas you installed on WSL1?

I have the following under "General System and Software:" Operating system: MacOS 10.15.7 Java version: 1.8.0_241 Python3 version: 3.8.5 Python3 Path: /usr/local/bin/python3 Env: ASAP_PARMS=/Users/bingyang/seadas-8.1.0/ocssw/share/common/nav CC=gcc CXX=g++ ELEMENTS=/Users/bingyang/seadas-8...

Don't worry about the output of SeaDAS/System Info for now. It needs work with WINDOWS system.

Can you do on the command line?

Are there anything else below
"General System and Software:
NOTE: the extraneous output lines displayed were detected in your login configuration output"
in the output of SeaDAS/System Info?

Do you have two copies of OCSSW?
/home/1097/seadas/ocssw
/home/seadas/ocssw

Does /home/alinedmv/ocssw exist? When your OCSSWROOT is not defined in WINDOWS, it causes "SeaDAS/System Info" to print out some inaccurate info. It probably should not affect your OCSSW processing, for you're able to run l2gen with default configuration. For the unsuccessful l2gen run (wh...

In the screenshot, it seems that you have #l2prod=l2prod=latitude longitude sena senz sola rhot_vvv rhot_748 rhot_859 rhot_869 rhot_1240 rhot_1640 rhot_2130 polcor_vvv polcor_748 polcor_859 polcor_869 polcor_1240 polcor_1640 polcor_2130 # at the beginning of the line will cause the whole "l2pro...

I am not sure it's a good idea to modify msl12_defaults_OC.par. To generate MODIS L1C, replace l2prod=latitude longitude polcor_nnn rhot_nnn sena senz sola solz with l2prod=latitude longitude sena senz sola rhot_vvv rhot_748 rhot_859 rhot_869 rhot_1240 rhot_1640 rhot_2130 polcor_vvv polcor_748 polco...

To process SeaDAS OCSSW in Windows, see the client/server model:
https://seadas.gsfc.nasa.gov/client_server/

Since you have Windows, you need to do SeaDAS-OCSSW Client Server Configuration before you Install/Update OC processors thru SeaDAS GUI.
Here is how: https://seadas.gsfc.nasa.gov/client_server/

It's a bug in OCSSW V2021.2. You can use OCSSW V2021.1 or T2021.11. See viewtopic.php?f=7&t=2407&p=8583&hilit=l ... dd8b#p8583