ubuntu 16.04

Hi, I'm new to Ubuntu and no amount of googling seems to be helping me get around this issue. I have only just installed Ubuntu 16.04 on Parallels, installed Parallels tools to get coherence working, ran the system update on ubuntu and did the reboot. Now I am unable to login to my account...

In earlier versions of Ubuntu I was able to successfully enter Convergence mode by disabling desktop visual effects as described at http://kb.parallels.com/en/111510 However, that does not seem to be enough to enable Convergence with Ubuntu 16.04 - whenever I try to enter Convergence mode I get...

Installing Ubuntu 16.04 via Parallels 11 leads to a desktop that flashes every second, and only displays a flashing parallels disks folder. I can hear the hard disk chugging in sync with the flashes. I have a Mac Pro with lots of cpus and memory, running the latest OS X.

Ubuntu's next LTS release is 16.04, which is due for final release on April 21. The final beta was on March 24, and Parallels support is broken with the current Parallels Desktop Pro Edition 11.1.3 (32521). Parallels Tools install, but the machine loses the ability to display the desktop after...