trevelyan on November 8, 2012
Please wait for the entire page to load before clicking the play button (the audio javascript loads last and clicking early can trigger an error). Once you've clicked a button, wait for the audio to play before moving on to the next word or sentence.

If you are still having problems, please let us know what browser and OS you are using and what specific lesson is causing you problems by sending an email to service@popupchinese.com and we will be happy to look at it and try and figure out what is going on.
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