This has happened to me several times, I am told to visit a Google property and it turns all my Google properties (web search, gmail, etc.) into the language I just visited. For example, a Cre8asite Forum thread shows a woman who was stuck viewing French only in Google. She was desperate to switch back to the English results.
Want to get stuck using Google France? Do a search on seo and add &hl=fr to the end of the URL. Ah! How do you get back to the English results? Well, you can go back to Google.com, but sometimes that doesn't help. You can click on the link on the bottom of the Google Français homepage that reads, Google.com in English or you can once again append &hl=en the "en" for English to switch back.
Forum discussion at Cre8asite Forums.

Comments:
Steve from Pictures Dog dot co
06/28/2006 12:53 pm
Can't you just go to preferences and change it back? (Change "Interface Language") http://www.google.com/preferences?hl=en I live in Québec, Canada and flip back regularly from English to French and that is how I do it. Also, I think you could clear browser cookies
naomi rightlander
12/20/2006 11:29 am
why each time i log to google it comes in a non english language?
tomasco50
03/20/2007 06:16 pm
I'm using Mozilla. I hit Tools, Options and Privacy. Then check the option that dumps cookies at shutdown. I had it set to accept cookies until they expired. Somehow it changed Google into Portuguese. Drove me nuts. It's all in the cookie set. I'd tell ya how to do it in Explorer but, after using Mozilla I'll never use explorer again. Hope this helps.
laakhan
06/26/2007 05:26 am
i want to downlod google earth but is in arebic but i want in english
SAUD AKMAL
08/27/2007 03:32 am
WHEN I OPEN GOOGLE SITE IT IS ALWAYS APEARS IN HINDI I WANT TO GET IT IN ENGLISH LANGUAGE ALWAYS
kevin okenwa
02/06/2008 05:59 pm
to change to english goolge thank you
Peter J. Pistello Jr.
09/28/2008 11:41 am
When I bring up Google I receive it in foreign language.I live in the United States and need it sent to me in ENGLISH
jeny
04/18/2009 03:45 pm
how to change my filipino google to english?
jimmy
05/02/2009 02:59 am
Please change my Google to english
Alvarez
05/10/2009 11:39 am
get the korean symbols out
esperanza santos
11/05/2009 02:00 am
why does everytime i login to google it comes up in kanji, i cant even read kanji why dont you put it up in english.
Rasikdagli
04/29/2011 05:43 am
PLEASE DO NOT CHANGE THE lANGUAGE FROM ENGLISH TO ANY OTHER VLANGUAGE. I WANT ONLY ENGLISH LANGUAGE.
David
06/03/2011 07:38 am
If you want to search Google in English you can just use Googleize at www.googleize.org. It's Google in English, United States. They also have an app on Facebook (apps.facebook.com/googleize). It'll solve all your problems once and for all. Google is beginning to act like some annoying girlfriend which doesn't resemble at all the one you fell in love with.
FranklinCeser
01/08/2012 05:13 pm
please i want google in computer i'm using be english
Wyy
02/29/2012 05:00 pm
google sucks, if you are in romanian they think you read romanian even if you are using your oen english laptop
Ron Ruth
04/29/2012 10:42 am
Google is rapidly becoming useless, as I now reside in Vietnam I frequently get Google pages in Vietnamese but require English. No amount of resetting preferences solves the problem. Currently having problem with Google Drive installation and any problems with Google products are shifted to a forum for other users to sort it out between themselves, only a few lucky ones get a response. Google have now overtaken Microsoft for the title of most useless support.
Anouar
02/14/2013 03:59 pm
Honestly ridiculous!!! bad bug...