Shiretoko is the development codename for Firefox 3.5.x.
To change the User-Agent identification to Firefox,
- Enter about:config in the address bar.
- Enter general.useragent.extra.firefox in the field at the top.
- Change its value from Shiretoko/3.5.4pre to Firefox.

what’s is all about and the function for?
The problem occurs for Ubuntu 9.04 users that installed Firefox 3.5.x.
oic..its related to linux since i’m a pc’s.