vboxclient the virtualbox kernel service is not running. exiting

Hello, I am VERY new to Linux/centos8 and virtualbox.

I installed Centos 8 onto Virtualbox 6.1and VirtualBox 6.1 Oracle VM VirtualBox Extension Pack.

However, I am getting this error message: "vboxclient the virtualbox kernel service is not running. exiting." This error message started right after i upgraded the kernel to 5.9.1.1 from 4...

Please see the attached screenshot for further details.

I would appreciate any help in resolve this this issue.

Thanks in advance!
David