Hilfe!! (Help!!) Irksome problem on Firefox

[Bobtheduck]

For some odd reason, while I'm on sites like Yahoo! with banner ads, they all come in GERMAN now... Also, for some odd reason, and much more annoying, if I try to go to http://www.google.com, it takes me instantly to http://www.google.de instead... How did that happen? How can I elliminate this problem? I was wondering if it was just Firefox, and I checked IE... It didn't happen on IE... Some setting or whatever was changed so that it detects me as being German when ads load and when Google loads?

[Slater]

Tools>options>General>Languages

[Bobtheduck]

Nope... Only lists English (even though I should have Japanese as a secondary one, unless they just load in Unicode)

[Slater]

clear cashe and get rid of all cookies.

[Mithrandir]

I'd try downloading firefox again to clear up the issue, but it sounds like there may be a bigger issue at stake here. Have you checked for spyware lately? There may be a man-in-the-middle attacker which is causing google et. all to interprete your default language as german.

[Arnobius]

Isn't it also possible to set up your default language when installing Firefox, where it basically says which one you want to download?