[Chimera-users] Chimera Launch Error

Greg Couch gregc at cgl.ucsf.edu
Thu Nov 11 10:34:47 PST 2021

You don't say which platform this is on.  I'm going to assume it's on 
Microsoft Windows.  You can get the debug messages by using the Start 
menu and opening "UCSF Chimera 1.15 / Chimera - Debug".

That said, the typical cause of this problem is an outdated graphics 
driver.  Please update the system to the latest and greatest version.  
This is especially true right now if you have AMD Radeon graphics, but 
also applies if you have Intel or NVidia graphics.



On 11/11/2021 8:58 AM, Cassidy Terrell via Chimera-users wrote:
> Hello,
> A student in my course (cced here) is trying to open Chimera 1.15 and 
> this is the error message that appears:
> "chimera exited abnormally; the exit code was -1073741819. Use the 
> --debug command line option for the full error message."
> We cannot open the program, which mean we cannot get to the command line.
> Thoughts about how to proceed? We have already removed/uninstalled 
> previous version and re-downloaded new one. The same messages appears 
> each time.
> Best
> Cassidy
> -- 
> Cassidy R. Terrell, Ph.D. (she/her/hers)
> Assistant Professor, Biochemistry
> Center for Learning Innovation | University of Minnesota | Rochester
> 300 University Square | Rochester, MN 55904
> /Always believe something wonderful is about to happen/
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