Fix VirtualBox Failed to open session for Virtual Machine (Solved)

A few days earlier I had a problem with the VirtualBox I was using while trying to run a virtual machine from Oracle VM (VirtualBox) on my computer running Windows 10 Operating System. "" Failed to open a session for the virtual machine% VMachineName% "machine suddenly stops and during startup, the error message code 1 (0x1) appears. Previously, when running the virtual machine there was no problem, but suddenly this problem occurred. Then how to solve/fix it, here's the tutorial.

This tutorial contains instructions to resolve the following error in VirtualBox:

"Failed to open a session for the virtual machine.
The virtual machine 'VMachineName' has terminated unexpectedly during startup with exit code 1 (0x1).  More details may be available in 'C:\Users\%Username%\VirtualBox VMs\%VMachineName%\Logs\VBoxHardening.log'.

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

Fix VirtualBox Failed to open session for Virtual Machine (Solved) Tutorial

You can follow the steps below, to fix problems that occur with VirtualBox:

1. Right-click on the Virtual Machine and select Discard Saved State
   
   
   
   
2. Then try to start the virtual machine. If the problem persists, continue to the next method below.

Method 2 Fix VirtualBox Failed to open session for Virtual Machine (Solved)

The second way is to fix problems that you don't know, maybe there is an deleted installer file, follow these steps to fix it.

1. Uninstall VirtualBox in Control Panel / Settings Apps.
2. If VirtualBox has been deleted, please download the latest version on Oracle VM VirtualBox, select Windows Host.
3. Then Install as usual, and re-run the error machine.
4. Open VirtualBox manager and start your Virtual Machine.
5. If the Virtual Machine opens fine, then proceed to install the Guest Additions and the Extension Pack (if needed).

Thanks.

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