my ubuntu16lts.vdi folder icon is a pdf

[pompom]

Hi,

I installed ubuntu on win10 host, somehow I do not know what happened when I try to start virtual machine, got message

Failed to open a session for the virtual machine Ubuntu16LTS.

The virtual machine 'Ubuntu16LTS' has terminated unexpectedly during startup with exit code 1 (0x1). More details may be available in 'C:\Users\pom4p\VirtualBox VMs\Ubuntu16LTS\Logs\VBoxHardening.log'.

Result Code: E_FAIL (0x80004005)
Component: MachineWrap
Interface: IMachine {b2547866-a0a1-4391-8b86-6952d82efaa0}

I do not know somehow the folder named Ubuntu16LTS.vdi has a pdf picture on it, which means that this virtual box is a pdf file.

How can I fix this?

thanks

Nixie

[socratis]

1. Please read really carefully the following FAQ: Diagnosing VirtualBox Hardening Issues for some guidelines/ideas.
2. Your icon being that of a PDF file has nothing to do with VirtualBox, but with your Windows installation. You need to fix that from your host.