Google Chrome browser is compatible with Windows 7 - http://support.google.com/chrome/bin/answer.py?hl=en&answer=95411
Is your Chrome up to date?
If it is up to date, and you are still having this apparent compatibility error report, try un-installing Chrome and reinstalling the latest version. As a precaution, backup your bookmarks/favorites etc first. Unsinstall - restart - re-install. See if that helps.