It seems it either a 32/64 bit issue or if not we could be dealing with something worse. More info of the version of chrome would help us help you. Look in control panel, program files, etc- see what version and if applicable how many chromes do you have
r. Click the icons, look at the info under properties. Post information to help determine what it could be.
Hey here's an idea, have you tried just uninstalling chrome and re installing it again.
Export your bookmarks and be done!