I re-read your post and see that you tried System Restore to no avail -- All I can suggest is trying an earlier restore point...
If everything except the Chrome browser works fine, you could try downloading the free Opera browser. I have used that for over 9 months now. I also have Chrome, Firefox and Internet Explorer (all working fine) on my machine but use Opera almost elusively.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.