Cannot preview

Hi,
I have reinstaled my computer, so everything should be as it should be :-)
But the ISpring published course cannot bee seen in preview. I can preview it with clicking on Preview button, but after publishing not. It could be previewed in browsers.
I am attachning the picture.
It is not a big deal, but if there is an option, it is something wrong if that option is not available.

Can anyone help me with some hint?
And how can I attach a picture? Perheaps one of those links will do it ...

https://www.dropbox.com/s/5ijxtt9omfvzz ... a.png?dl=0
slika

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Sorry to hear that you have run into this inconvenience!

I will contact you via email shortly since this will speed up the investigation process.
Thank you for your patience!

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