Audio not working on .MP4 files

Problem:
When I record my screen with ActivePresenter, and load the file, I get audio, but when I export it to an MP4 file, or AVI file there is no more audio

ActivePresenter version:
8.1.1
OS:
64 bit Windows 10
Notes:
When I first view the file after recording, there is audio, but after saving and exporting there is no audio

Hi,

Please make sure that when you export video, you select Export Audio checkbox:

Regards,