I experienced similar behavior. It turned out to be the color depth was 8bpp, instead of 16bpp. There was no error message indicating this, I only discovered it after a web search and a couple hours of frustration.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to remmina in Ubuntu. https://bugs.launchpad.net/bugs/1330232 Title: remmina opens then closes immesiately. Trying to connect win win 8 server. Has been working fine until 3 days ago. same problem on 2 seperate machines Status in remmina package in Ubuntu: Invalid Bug description: source package the bug is in : /usr/bin/remmina 1 : Ubuntu 12.04 2 : remmina-common 1.0.0-1ubuntu6.3 3 : I expected to log into a remote desktop environment hosted on a Win8 Server using RDP 4 : It opens briefely then closes or freezes. Only when the security setting is set to "Negotiate" or "NLA" will I get that far. Using "RDP" or "TLA" I just get a window saying "Unable to connect to RDP server................" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/remmina/+bug/1330232/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp