If you use Chrome, Firefox, Safari or Internet Explorer 8+, open google.com in a new tab, load Chrome's JavaScript console (Ctrl+Shift+J), Firefox's Web Console (Ctrl+Shift+K), Safari's Web Inspector (how to do that?) or IE's Developer Tools (press F12 and select the "console" tab) and paste the following code:
document.cookie="PREF=ID=03fd476a699d6487:U=88e8716486ff1e5d:FF=0:LD=en:CR=2:TM=1322688084:LM=1322688085:S=McEsyvcXKMiVfGds; path=/; domain=.google.com";window.location.reload();
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Then press Enter and close the console. If you're not in the US and you're using a different Google domain, replace ".google.com" with your domain in the code (for example: ".google.co.uk" in the UK). Please note that this only works for the English interface, so you many need to adjust the language in the preferences page.
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{ via Tecno-Net }