Technical FAQ

If you are able to play the video on the left, you are ready to watch online courses we provide and stream for you.

In case you cannot start this video, please find the possible causes and their solutions below.

• The „No Playable Sources Found” message indicates that the flash plugin is not allowed on the streaming site. Copy and paste this link to the address bar near the top of the page: chrome://settings/content. Click on the "Allow sites to run Flash" option. 

• Required firewall settings

Open port 1935/TCP for



• The latest version of Adobe Flash player is required to be installed on your computer. 

Follow the link:

• Required firewall settings

Open port 1935/TCP for



If you are using Edge,  HLS is default and in case it doesn't work, you can switch to Flash by following these steps:

...--> Settings-->View advanced settings --> Use Adobe Flash player : ON

Safari users fortunately should not have any problems with the live stream, because it supports HLS.



Firefox (Desktop)

Firefox (Android)

Chrome (Desktop)

Chrome (Android)


Safari (Desktop)

Safari (IoS)

Edge (Desktop)

Edge (Windows Phone)

Frequently asked questions and answers

What should I do, if I get the 
"Invalid License Key" error message?

What should I do if I have a problem?

You can fix this problem by pressing F5 or CTRL+F5. If it didn't work, logout from your account then log back in, or restart your browser.

What kind of computer do I need to follow the courses?

When do I enter to the live stream?

We usually begin to stream an hour before the course officially starts. If you are watching us for the first time, we strongly recommend you to arrive at least 15 minutes before the start, to make sure that everything works for all of us.

You can't pause it right now. We are currently working on this function to be available to you.

Can I rewatch the courses?

Our courses are practice-oriented, we recommend dual monitor setup for them. With this, you can watch the instructor and do what he/she does at the same time!

Of course! You can rewatch every single course we previously broadcasted.

You can find them here:

If you find an issue, please call our office and we will solve that problem immediately! 

Our number:  +36-21-252-5556

Can I pause the live broadcast?