Hi Jyoti, Chances are that you need to update your graphics driver.  If you update your graphics driver and still have problems, send email to chimera-bugs@cgl.ucsf.edu and we'll dig deeper.     HTH,     Greg On 10/31/2021 1:29 AM, Jyoti Singh via Chimera-users wrote:

Dear Sir,

I have installed Chimera 1.15 successfully.When I try to open it, a window pops-up and gives an exit code: 1073741819 and it never opens for analysis. Below I have shared the start information and please find the attachment.

*Cannot execute 'gzip': no automatic decompression of .Z files

initializing general preferences loading Tix initializing graphics Return code: -1073741819 Press return or enter to to exit* * * Kindly do needful.

Regards.

*Jyoti Singh Ph.D. Scholar [UGC-SRF] "Molecular Biology and Biotechnology lab" CPMB DIVISION, GARDEN BLOCK. CSIR - National Botanical Research Institute, Lucknow [UP], 226001, 'INDIA'*

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