Dear Gregor, this is a commonly seen Windows problem indicating a problem with the graphics driver. Please see this previous answer on the chimera-users list: <https://www.rbvi.ucsf.edu/pipermail/chimera-users/2021-May/017853.html> I hope this helps, Elaine ----- Elaine C. Meng, Ph.D. UCSF Chimera(X) team Department of Pharmaceutical Chemistry University of California, San Francisco

On Feb 18, 2022, at 2:12 PM, Gregor Schmidberger via Chimera-users <chimera-users@cgl.ucsf.edu> wrote:

Dear chimera support,

I cannot start chimera 1.16 anymore. I attached the error code as png.

Do you know how to solve this problem?

Thanks a lot!

Best regards,

Gregor Schmidberger <chimera exit code -1073741819.png>