Un-install Chrome browser

[coreline]

I have XP os. I would like to un-install the Chrome browser to re-install it, BUT I get the error 3 message every time I try to re-install it. SO I cannot un-install NOR re-install it. What do I do to get it un-installed.

 

[Emerald]

http://support.google.com/chrome/bin/answer.py?hl=en&answer=111899