Code 400: "Bad Request"

[Helios]

Everytime I try to access anything past the root page for the forums I get that error. Thing is, I can access the forums perfectly fine when using IE9.
Anyone got anything to remedy it? Otherwise I'll just reinstall it.
p.s; I'm using google chrome

 

[Pruney]

Have you, cleared yo cache

and da cookies

 

[Helios]

okay im dumb that worked
thanks