The following page lists command line parameters that can be used to modify how Chrome is launched:
http://peter.sh/experiments/chromium...line-switches/
You need to launch it via the command prompt or to modify the shortcut/desktop icon with the relevant parameter.
In your case, I would try first the (--bwsi) or (--diagnostics).
It is possible that some extension is trying to hijack the browser. If so, the first option will let you examine what extensions are installed and permanently disable them.