[eluser]Wayne Smallman[/eluser]
[quote author="InsiteFX" date="1286469736"]Check the application/config/user_agents.php file
Your version of chrome may not be in there.[/quote]Hi!
There's no mention of any browser versions in the file you mention, only browser names.
Also, I'm now having the same problem with Safari.
Clearing the cache seems to stop it at that moment, but then it comes back.