Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
OpenStudio 2.0 no longer supports 32bit, and there are no plans to do so. That should have been documented in the readme, but was overlooked. We'll correct that ASAP.
Your best option is to uninstall 2.0 and revert to a 1.1x installation if you are on a 32bit system.
