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Rois

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    Rois commented  · 

    Hi,

    I had a similar error "Error: Failed to load lab. Please refresh this page to try again or contact support for help"

    The issue happened on Chrome & Firefox. I updated Firefox to version 52.6.0 (64-bits).
    Also these plugins were updated to versions shown below:
    Shockwave Flash 28.0 r0
    Java Plug-in 11.161.2 for Mozilla browsers

    Those updates make Lab exercises work on my Firefox browser. I haven't updated Chrome so far and the issue still happens on it. I hope it helps.

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