Use the little thingy like an equal sign with three bars in the upper left corner. Go to bookmarks - import bookmarks and settings, and then only choose bookmarks and passwords. I'd uncheck the search engines and browsing history, and then set my preffered search engine up manually. (Otherwise it could bring in a bogus page that'll start your problems up again.)
Then go to the same three bars, and click settings. There you can turn on the home button, choose your home page, what to when opened from scratch, etc... I like setting it so if I exit chrome, it opens back to everything I had open when I closed it.