How can I disable the automatic translation of MS web pages?
This is part of the Microsoft website, not Firefox.
They do offer a link to compare the translation to the original, and on that comparison page there is a link to the original text. You can circumvent it immediately by adding /en-us to the web address.
- Take for example: http://support.microsoft.com/kb/192573
- add "/en-us"
- get: http://support.microsoft.com/kb/192573/en-us
Note that translated pages not always tell you that they are, e.g. http://support.microsoft.com/kb/192573 in the case of Dutch - but maybe that page was not automatically translated.
Added note 27 July 2016: Things have changed slightly but the trick still works. If I now go to http://support.microsoft.com/kb/192573, I get https://support.microsoft.com/nl-nl/kb/192573. If I then append /en-us, this is again redirected to https://support.microsoft.com/en-us/kb/192573.
If you are willing to change your browser-wide preferred language setting, you can request English articles by default - without using extensions.
Related StackOverflow answer here.
In case that one gets wiped: basically you need to change your language preference in your browser and move English to the top. MSDN and KB articles apparently respect the Accept-Language header sent by the browser.