Export as is not working! Photoshop

[eto_lala]

On video you can see nothing happening after I press export. Was happaning sometimes, restart computer helped, but now it's not! 

[Ged_Traynor]

@eto_lala 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