Are you having trouble following the webinar? Please check if the solution to your problem is mentioned below.
Is your problem not mentioned below? Please contact the OnlineSeminar Helpdesk at, we would be more than welcome to help you.

My audio and video are malfunctioning

Your internet speed probably is the reason for the malfunctioning of your audio and video. Go to the test page to check your internet speed. If the test indicates that your internet speed is to low you might be able to switch to another internet connection. Refreshing your browser with F5 can possibly solve the problem.

My video stream is shutting down

You can refresh your video stream with F5. This solves the problem in most cases.

There is an echo in my audio stream

The webinar is probably playing simultaneously in two or more browsers. Please close all expandable browsers and continue watching in just one browser.

I am logged in from a corporate network, and I am having trouble watching the webinar

If you’re watching from a corporate network or with a VPN connection, you might experience some problems. Please close this connection, if possible, and open a permissible browser to watch the webinar.

Part of my video stream shuts down/isn’t visible

Your screen is probably zoomed in. Click Ctrl+0 to recover this.

I installed Flash Player, but I can’t see the webinar

In some browsers, you need to switch Flash on manually, after installing the player.
The links below help you through the right steps, per browser.



Google Chrome:


Internet Explorer:

Internet Explorer on Windows 10:

To watch webinars in HTML5, the system requirements are:
  • Google Chrome version ≥ 37 on Windows ≥ 7 or Mac OS X ≥ 10.9 (Mavericks)
  • Safari - Mac OS X ≥ 10.10 (Yosemite)
  • Firefox version ≥ 47 on ≥ Windows Vista or Mac OS X ≥ 10.7 (Lion)