So it appears you are trying to run Chimera on Microsoft
Windows. The warning about gzip is normal and should be ignored.
The most likely cause of your error is that your graphics driver
is out of date. So please update your graphics driver and try
again. If it still doesn't work, then please use our online bug
submission form,
https://www.cgl.ucsf.edu/cgi-bin/chimera_bug_report_2.py, and
attach the output from the dxdiag program (type dxdiag into the
Windows search bar by the Start button, click on the dxdiag
program it finds, then click on "Save All Information..." to save
all of the information, and attach that file.)
Good luck,
Greg
Cannot execute 'gzip': no automatic decompression of .Z files
Return code: -1073741819
Press return or enter to to exit
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