If you are getting following error in xming log: Xming.exe: client 4 rejected from IP XXX.XXX.XXX.XXX Here are two solutions. Secure method: Edit: X0.hosts (in the installation directory) and add the ip you want allow. e.g. localhost XXX.XXX.XXX.XXX Restart Xming. Insecure method: Add the “-ac” option to the Xming desktop shortcut. Modify the Desktop Xming shortcut to include the arguments: “:0 -c
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