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I used win 7 and suddenly Mathjax doesn't work at https://math.stackexchange.com/ using

google chrome, firefox, ie9

It work at another site like this site.

so how to fix it ?

it is just show the tex command

edit: the error messag in java script at google chrome : enter image description here

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  • $\begingroup$ In Chrome, pressing Ctrl-Shift-J opens the JavaScript console. Any error messages there? $\endgroup$ – user127096 Mar 28 '14 at 20:31
  • $\begingroup$ @cheapeffectivedietpills yes and Iam going to add it to the question $\endgroup$ – adam Mar 28 '14 at 20:34
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There is a fest of browser-hijacking software on your computer. Google "Topic Torch", "clkmon" and so forth. I can't tell how or if this interferes with execution of MathJaX, but until the system is clean, non-working MathJax should be the least of your worries.

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  • $\begingroup$ sry but I cant understand what exactly I need to do $\endgroup$ – adam Mar 28 '14 at 22:38
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    $\begingroup$ @hammood There are step-by-step instructions on the malware tips site: use "search malware" on the right. Or you can backup all your files and reinstall the operating system. Or ask for help from an experienced user/professional. In any case, the appropriate Q&A site for such issues is Super User, not meta.Math. $\endgroup$ – user127096 Mar 28 '14 at 22:43
  • $\begingroup$ I reinstalled the system after format all hard and faild to load ltaex at the site and gave me "Mathematics Stack Exchange requires external JavaScript from another domain, which is blocked or failed to load." also that happen at the computer of my friend $\endgroup$ – adam Mar 29 '14 at 18:15
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    $\begingroup$ @hammood Does MathJax work on the test page? $\endgroup$ – user127096 Mar 29 '14 at 18:25
  • $\begingroup$ yes it work ...... $\endgroup$ – adam Mar 29 '14 at 18:28
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    $\begingroup$ @hammood OK, what does the JavaScript console say now, when you open it on Math.SE page? $\endgroup$ – user127096 Mar 29 '14 at 18:31
  • $\begingroup$ it work at every site also at stackexchange site which provide latex but at math stack stackexchange dosent work $\endgroup$ – adam Mar 29 '14 at 18:31
  • $\begingroup$ GET mathjax-cdn.storage.googleapis.com/mathjax/latest/… 403 (Forbidden) sequence-of-a-n-frac12n:50 event.returnValue is deprecated. Please use the standard event.preventDefault() instead. jquery.min.js:3 Uncaught ReferenceError: MathJax is not defined $\endgroup$ – adam Mar 29 '14 at 18:32
  • $\begingroup$ and for what time ? day ? 2 ? less or more in your opinion ? $\endgroup$ – adam Mar 29 '14 at 18:38
  • $\begingroup$ thank you alot and I also hope to get a quick response :) $\endgroup$ – adam Mar 29 '14 at 19:16
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    $\begingroup$ @hammood When you click the link mathjax-cdn.storage.googleapis.com/mathjax/latest/MathJax.js do you get an error message, or the code with "Copyright (c) 2009-2013 The MathJax Consortium" ? $\endgroup$ – user127096 Mar 29 '14 at 21:20
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    $\begingroup$ @hammood What country are you in? $\endgroup$ – user127096 Mar 29 '14 at 21:29
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    $\begingroup$ @hammood That's the thing: as I wrote in my explanation, the site recently switched to loading MathJaX from Google Cloud Storage. Apparently, Google Cloud Storage is blocked in Syria. I'll try to see if a solution can be found. $\endgroup$ – user127096 Mar 29 '14 at 21:32
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    $\begingroup$ @hammood One possibility is to use the userscript by Davide Cervone; it detects that MathJax failed to load, and then loads it from different CDN. Try it... the script is intended for FireFox, I am not sure if Chrome will allow its installation for security reasons. $\endgroup$ – user127096 Mar 29 '14 at 23:36
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    $\begingroup$ @hammood we were testing the new CDN that the MathJax folks are exploring here on math to check for performance and uncover issues like this. They are aware of the issue and we'll see how they want to proceed. For now we have reverted to the old CDN since we absolutely don't want to serve broken pages. $\endgroup$ – Nick Craver Mar 30 '14 at 12:01

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