Can't choose font

Thanks, @Ged_Traynor , I hadn’t noticed that. 

@Max33503975v449 , does turning off the preview (Type > Front Preview Size > None) make a difference? 

@c.pfaffenbichler it closing when the OP is trying to expand the font to change to font style, @Max33503975v449 have you tried resetting the tools

If that doesn't help, try manually resetting your Photoshop preferences
https://helpx.adobe.com/ie/photoshop/using/preferences.html#Manually
Remember to back up your settings before doing the preference reset
https://helpx.adobe.com/ie/photoshop/using/preset-migration.html

I am not sure I follow; the font is different at the end of the video so you sem to have chosen another font.