On Dec 8, 2011, at 7:13 AM, Sidra Saleem wrote:

i have downloaded ucsf chimera many times but its not working and giving a window named chimera error
the error is unable to contact UCSF computer graphics lab to check for new version(network disconnected)
kindly help me urgently

Hi Sidra,
I see you also submitted this as a bug report (#10260).  The person who deals with that part of Chimera will be in contact with you shortly.

--Eric

                        Eric Pettersen

                        UCSF Computer Graphics Lab

                        http://www.cgl.ucsf.edu