#OPEN VIRTUALMACHINE MANAGER SOFTWARE#

You must discard the saved state of the virtual machine, if there is any. But, this the most common reason you get “ failed to open a session for the virtual machine” error while starting the VM again. This comes handy most of the times and acts as hibernate feature in Windows. Sometimes, you may save the virtual machine state to reuse it from a particular state.

Here are the step by step process to fix the virtual machine error. Check file permission for the virtual machine files.Kill VirtualBox process from Task Manager.I can assure you, out of the below mentioned 5 troubleshooting steps, you will be able to fix the error. The error “failed to open a session for the virtual machine” in VirtualBox is very generic and the only way to fix this is to troubleshoot a few of the possible solutions. Fix for error “failed to open a session for the virtual machine”: Here I will share 6 ways to troubleshoot and fix this VirtualBox error.

The error may occur due to multiple reasons on your computer.

The virtual machine 'VMachineName' has terminated unexpectedly during startup with exit code 1 (0x1). (VERR_VMX_NO_VMX).įailed to open a session for the virtual machine.

#OPEN VIRTUALMACHINE MANAGER SOFTWARE#

If you are using any virtual machine software especially Oracle VirtualBox, you may face the error “failed to open a session for the virtual machine” while opening any VM on your computer.įailed to open a session for the virtual machine. The fix is applicable to all versions of Windows, Ubuntu, and other OS as well. This article contains the multiple ways you can fix the error “failed to open a session for the virtual machine” on Oracle VirtualBox while launching any virtual machine.

Open virtualmachine manager