Warning
Please note that VirtualBox 6.1 is not compatible with Genymotion Desktop 3.0. If you are using this version, please remove it and downgrade to VirtualBox 6.0.4 or 6.0.18.
You can find it here:/wiki/Download_Old_Builds_6_0
This error may be caused by Hyper-V which interferes with VirtualBox. Please make sure Hyper-V is disabled when using Genymotion Desktop. SeeGenymotion Desktop and Hyper-V (Windows 8/8.1/10) for instructions.
Also, VPNs interferes with Genymotion and VirtualBox. If you use a VPN, please readGenymotion Desktop and VPN for more details.
If none of the above apply to you, please try the following:
Open Windows Settings > Network & Internet > Change adapter options
Right-click on VirtualBox Host-Only Ethernet Adapter
Select Disable
Right-click on theVirtualBox Host-Only Ethernet Adapter again and Select Enable
If you have several Host-only interface adapters, you need to repeat this to each of them.
If it still does not work, please try this:
Open Settings > Network & Internet > Change adapter options
Right-click on VirtualBox Host-Only Ethernet Adapter
Click on Properties and then Configure
Click on the Driver tab
Click on Update Driver
Select Browse my computer for drivers. Now choose Let me pick from a list of available drivers on my computer
Select the choice you get and click on Next
Click Close to finish the update
If none of the above works, try to remove and re-install VirtualBox.