MiniTool PDF Editor brings swift experience when you convert, merge, split, compress, extract, and annotate PDF files.
More Tools
Photo Repair
Repair corrupted images of different formats in one go.
Excel Repair
Repair corrupt Excel files and recover all the data with 100% integrity.
Outlook Repair
Repair corrupt Outlook PST files & recover all mail items.
Video Repair
Repairs 4k, 8k corrupted, broken, or unplayable video files.
Affiliate Program
MiniTool Affiliate Program provides channel owners an efficient and absolutely free way to promote MiniTool Products to their subscribers & readers and earn up to 70% commissions.
MiniTool reseller program is aimed at businesses or individual that want to directly sell MiniTool products to their customers. The reseller discount is up to 80% off.
MiniTool OEM program enable partners like hardware / software vendors and relative technical service providers to embed MiniTool software with their own products to add value to their products or services and expand their market.
What causes the error failed to open a session for the virtual machine? How to fix the error VirtualBox failed to open a session for the virtual machine? This post from
MiniTool
will show you the solutions.
Some users complain that they encounter the error failed to open a session for the virtual machine when trying to start the virtual machine from the VirtualBox on Windows 10. If you also has come across this error, here are some suggestions that can help you to fix the error that VirtualBox failed to open a session for the virtual machine.
So, in the following part, we will show you the solutions.
4 Ways to Fix Failed to Open a Session for the Virtual Machine
In this section, we will walk you through how to fix the VirtualBox error failed to open a session for the virtual machine.
Way 1. Open VirtualBox as Administrator
To fix the error failed to open a session for the virtual machine, you can choose to open the VirtaulBox as administrator.
Now, here is the tutorial.
Right-click the desktop shortcut of VirtualBox and choose
Properties
.
In the Properties window, go to the
Compatibility
tab.
Then you will find the option
Run this program as administrator
and check it.
After that, re-launch the VirtualBox again and check whether the error failed to open a session for the virtual machine is solved.
If this solution is not effective, try another solution.
Way 2. Install Platform Package
In order to solve the error VirtualBox error failed to open a session for the virtual machine, you can choose to install platform package. The platform package can help VirtualBox to use various components with ease.
Now, here is the tutorial.
If you already have the platform package on your computer, just install it.
If you don’t have the platform package on your computer, you can click
here
to download it and install it.
After that, reboot your computer and check whether the error failed to open a session for the virtual machine is solved.
If this solution does not take effect, try another one.
Way 3. Discard Saved State
In order to fix the error VirtualBox failed to open a session for the virtual machine, you can choose to discard saved state.
Now, here is the tutorial.
Right-click on the Virtual Machine.
In the pop-up window, select the
Discard Saved State
.
Then press
Ctrl
+
J
to end the process.
After that, reboot your computer and restart the VirtualBox and check whether the error failed to open a session for the virtual machine is solved.
Way 4. Reinstall VirtualBox
In order to fix the error failed to open a session for the virtual machine, you can choose to reinstall the VirtualBox.
Now, here is the tutorial.
Type
Control Panel
in the search box of Windows and choose the best matched one.
In the pop-up window, choose
Uninstall a program
under
Programs
to continue.
Then select the VirtualBox and right-click it.
Then choose
Uninstall
to continue.
After that, go to the official website of VirtualBox and choose to download the latest one.
Then install it on your computer.
After you have completed all steps, try to check whether the error failed to open a session for the virtual machine is solved.
Solved – VT-x Is Not Available (VERR_VMX_NO_VMX)
When opening the virtual machines using VirtualBox, you may encounter the VT-x is not available error. This post shows how to fix this problem.
Read More
Final Words
To sum up, this post has introduced 4 ways to fix the error that failed to open a session for the virtual machine. If you come across the same issue, try these solutions. If you have any better solution to fix this VirtualBox error failed to open a session for the virtual machine, you can share it on the comment zone.
facebook
twitter
linkedin
reddit
Position:
Columnist
Tina is a technology enthusiast and joined MiniTool in 2018. As an editor of MiniTool, she is keeping on sharing computer tips and providing reliable solutions, especially specializing in Windows and files backup and restore. Besides, she is expanding her knowledge and skills in data recovery, disk space optimizations, etc. On her spare time, Tina likes to watch movies, go shopping or chat with friends and enjoy her life.
