Fix #4: Refresh the Google Chrome cache and data. The “Your Clock Is Ahead/Behind” error does not always mean that you have outdated system time issue.

Fix a Computer Clock That Forgets the Hour Hassle-Free PC By Rick Broida, Aug 11, 2010 12:42 pm PDT ...

Rick answers reader e-mail about a computer clock that's slightly off, a Windows XP system that won't shut down, and troubleshooting slow Wi-Fi connections.