Conflicting background processes running on your PC.
There are so many factors that contribute to VirtualBox interface unable to insert Virtual optical disk or Windows 10 shut down issue. How to Fix VirtualBox Interface Has Active Connections Error Message
Method 14: Uninstall Bluestacks and Reinstall in Safe Mode.
Method 13: Uninstall Conflicted Apps in Safe Mode.
Method 12: Create New Administrator User.
Method 5: Turn On Virtualization (If Applicable).
Method 4: Change Priorities of BlueStacks Processes.
How to Fix VirtualBox Interface Has Active Connections Error Message.