The problem seems to be resolved (as far as I'm using Pale Moon or Opera browser). It looks like the "en." prefix was the problem. Thank to Shane McGookey for figuring out the solution   and Evan L...

1. Közösség
2. Technical Issues and Workarounds
3. Example programs in articles don't load

If the mouse is over the grey rectangle, it gives the error "www.khanacademy heeft de verbinding geweigerd", meaning "www.khanacademy has refused the connection".   BTW, thanks for reacting!

1. Közösség
2. Technical Issues and Workarounds
3. Example programs in articles don't load

I mostly use the Opera browser (version 76.0.4017.154) for Khan Academy,   on the business' pc, Chrome is installed. It gives the following error:

1. Közösség
2. Technical Issues and Workarounds
3. Example programs in articles don't load