Question-and-Answer Resource for the Building Energy Modeling Community
Get started with the Help page
Ask Your Question

can't open OpenstudioApplication on my new pc windows11

asked 2022-05-04 09:40:43 -0500

bingo's avatar

updated 2022-06-20 07:39:04 -0500


I am a recent user of OpenstudioApplication 1.3.1 on my Windows10 pc and it works perfectly. But i have a new pc with windows 11, it can't open openstudio anymore. (find attached the error message).

An unhandled exception has occured : D:\OSN\utilities\bcl\LocalBCL.cpp@74 : Unable to update Local Database

Is there anybody with the same problem that can help me? Thanks in advance.

edit retag flag offensive close merge delete


I also have the same issue. Although I complete the donwload and install the latest version 3.4.0 on windows 11 computer, nothing appears. Maybe, OpenStudio does not work on windows11 ?

it's avatar it  ( 2022-06-18 06:56:04 -0500 )edit

@it I know it's confusing but OpenStudio SDK (3.4.0) is the SDK/CLI ( There is no graphical user interface there, that is OpenStudioApplication (

Julien Marrec's avatar Julien Marrec  ( 2022-06-20 07:35:42 -0500 )edit

1 Answer

Sort by ยป oldest newest most voted

answered 2022-06-20 07:34:41 -0500

updated 2022-06-20 07:38:44 -0500

@bingo Have you tried deleting your %USERPROFILE%/BCL folder? (eg: C:\Users\bingo\BCL)

If that doesn't work, please try and open an issue on directly.

For what it's worth, I did try the OpenStudio 1.4.0 (newly released 12 days ago) on a Windows 11 clean virtual machine and can say that it works:

Please do note that I'm talking about Windows 11 with an x64/amd64 architecture (the vast majority of cases). If you try to use an arm64 (such as running a windows 11 virtual machine on an M1 mac), it won't work.

edit flag offensive delete link more

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account.

Add Answer

Training Workshops

Question Tools


Asked: 2022-05-04 09:40:43 -0500

Seen: 161 times

Last updated: Jun 20