Google Chrome does not close properly

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http://askubuntu.com – When Google Chrome opens, it displays a message that says that it "did not shut down properly". This happens everytime I open it, after booting the computer or just after closing the browser with the X. There is a button that offers me to open the recent tabs, but the button does not work and Chrome does not find anything, I end up on a blank page. In order to solve my problems, I tried to turn off my extensions and that kind of things, but I found out that it does not work. Plus, the changes are not saved in Chrome apparently, I suggest that it is because it does not close properly. I would (HowTos)