From our user reports so far, this issue seems to affect Samsung devices only. If you have a non-Samsung device and you are experiencing something similar, please comment below or email our support team at support@nationaledtech.com. 

This solution also applies to Google Play Movies. 

Solution for Samsung Devices

Turn off the Multi-Window option under the Samsung Knox features. Access this area from our web dashboard (coming to parent mode soon). 

1. Login to our web dashboard
2. Tap on your child's device
3. Tap on the Advanced tab
4. Remove the checkbox on Disable Multi-Window