How to Fix Intel VT-x / AMD-V error on VMware and on VirtualBox by Enabling by Enabling Virtualization Technology Intel VT-x from BIOS

When you are trying to install an operating system on VirtualBox or on VMware and you get an error like Intel VT-x / AMD-V. So in this post, I will show you how to fix that error with very easy steps.

1) First of all, restart your machine and open the BIOS with the key on the keyboard. 

Above given buttons for specified devices.
Now search "Intel(R) Virtualization Technology" line and enable it.
Now do not forget to save the changes before exit.
For that go to "Exit" menu and select "Save & Exit" line and hit Enter. Now in pop-up windows select "Yes".
That's it. Your computer will restart now and you can try again to install the operating system on VMware or on VirtualBox and get success.