Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
The error message is pretty straightforward and explains the issue well in my opinion. Since OpenStudio is installed in Program Files, which is write protected, you need to run EP-Launch as Administrator for it to work.
Another, probably better option is to change the permissions of the EnergyPlusV8-4-0 folder installed by OpenStudio. With this option, you can keep the OpenStudio installed EnergyPlus but EP-Launch and the other utilities should work when called directly.
