I have very similar settings and I have the same problem, even with the sound disabled. I believe that the guys in the bug report below are getting close to the source of the problem: https://bugs.launchpad.net/ubuntu/+source/rdesktop/+bug/81854
-- Rdesktop cousing system freeze when using Cisco VPN client https://bugs.launchpad.net/bugs/218308 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs