Why does GP VideoSupport crash with a DXGetErrorDescription error message?

Error description

After clicking on the "Live" button, the following error message is displayed:

GeBioM VideoSupport
FAILED(hr = DXGetErrorString(hr)) in pMediaControl->Run()

DXGetErrorDescription(hr)

Cause of error

The path in the sets does not exist or cannot be written.

Troubleshooting

Click on "Sets ..."

Adjust the path in the following dialogue. The "..." button opens a dialogue in which you can select a different path.