Comment 8 for bug 1301624

> To this problem, I was trying to resize nautilus window, because since about one month, it's impossible to resize window. Only full screen or a little, too little window. No problem with others windows.

About this specific problem with Nautilus, it should be better now. The latest version of Nautilus has been modified to have a better integration (only) in Gnome-Shell session but the behaviour is now broken on other sessions... except that Ubuntu devs have patched Nautilus to be used in all other session and now the dock should use this patched version :-)

> It's better for me using classic "menus"

I agree with you :-) I like our classical applications menu with the search feature :-)

Thank you for these ideas!
You should no longer have this crash with the latest version of Cairo-Dock. I'm going to close this bug report but feel free to reopen it if you still have this crash.

PS: for you problem with VirtualBox, according to the version number, you're using a version for Ubuntu 13.04 and you're using Ubuntu 14.04 ;-)
You can add the repository made for Ubuntu 13.10, it's maybe better than the other one:

  $ sudo -v && echo "deb http://download.virtualbox.org/virtualbox/debian saucy contrib" | sudo tee -a /etc/apt/sources.list.d/virtualbox.list && wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add - && sudo apt-get update && sudo apt-get install virtualbox-4.3

For more details: http://doc.ubuntu-fr.org/virtualbox