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'NaN%' error message upon starting Gapminder World

When i start Gapminder World on my laptop, i can only see a black screen with a message of 'NaN%'. i tried reinstalling adobe flash player but it does not solve the problem.

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  • Can you provide me with the following questions?

    1. What version of Windows are you using?

    2. Is it a 64-bit or 32-bit machine?

    3. Did you already have an old version and you upgraded or you installed it fresh from the website?

    amir@gapminder.org
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  • I'm having the same problem. I have Windows 7, 64 bit. I have an old version of Gapminder Desktop already but I downloaded Gapminder World fresh from the website.
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  • Could you please do the following:

    Right click on Gapminder World Offline Icon on the desktop (If you do not have any, create one). Click on properties and go to Shortcut's tab and append the following line after the quotation mark of the path with one space distance: -P -jsconsole -purgecache

    Click on OK (Here Windows might ask you with your credentials again to see if you have permissions), enter credentials and press OK.

    Now Open the Gapminder World, there is a pop-up window asking you many kind of things. Do not worry about them, leave them as defaults and just click on "Start Gapminder World".

    Gapminder World will start but this time with an Error console in a separate window. If you got this, Copy paste the error for me. Also take a screenshot of the proxy message you get and send it along the error console message and I will be able to proceed with you so that the error will go away in your case and you can use our software.

    Regards,

    Amir Rahnama
    Software Developer, Gapminder Foundation
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  • Thank you for the quick reply. I followed the directions and got the result below:

    Unfortunately there is no error message in the Gapminder error console, but I do get an error message from windows realplayer that says "video cannot be downloaded" in the top right of the Gapminder window.
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  • Try these solutions and let me know if it worked or not:

    Step 1

    Start Real Player
    Go to tools/preference/category/downloading and recording
    Check "enable downloading and recording from the Web"
    Check "only by passing your mouse over the music video" to call up the "save this video" button

    Step 2
    Launch Internet Explorer, go to the right of the search toolbar, click on Tools, then Internet Options. Now click the Programs tab and then "Manage Add-ons"
    Search for RealPlayer Download and Record Plugin, publisher RealNetworks, Inc. and enable it.
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  • I followed the above steps and got the same result, the "video cannot be downloaded" error message. I then went to realplayer and clicked on "check for updates". I downloaded the update it found and now gapminder works just fine. Thank you for your help, I appreciate it.
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  • Great, David. Yen how about you?! What happened with your issue. Can you follow David's solution and get back to me?

    I realized that the issue you had was with Realplayer not our software. But it was good that you tried and made it work.

    Contact us in case of issues, we will be happy to help.

    /Amir Rahnama
    Software Developer, Gapminder Foundation
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  • I also get the error message "NaN%" when I start gapminder. I appended "-P -jsconsole -purgecache" as explained above. Then I get the window with the error message... What do I have to do next?
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  • Hi Anika,

    Since you are already one release back from our latest release, I would like to suggest the following:

    Make sure you uninstalled the latest version and download the new BETA release from http://www.gapminder.org/world-offlin...

    After that let us proceed to see if it resolved your issue or not. If it did not, I will have a deeper look at it.

    Thanks,

    Amir Rahnama

    Sofware Developer, Gapminder Foundation
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