How to Fix "pae not present" Error on VirtualBox

In this post, I will show you how to fix "pae not present". It happens when you are trying to install for example Ubuntu on VirtualBox and you get an error like that. It's very easy to solve that problem, no need to download any kind of software or execute a long list of commands. We can fix that error with one step and continue the installation process of operating system.

First of all Open VirtualBox. And after from a list of your operating systems which is at the left side, select that one which gives you error in the installation process. After press on the "Settings" button at the top.
Now in new window navigate to "System" tab from the left panel.
And the last thing we need to do is switch to "Processor" tab at the top and you can see there a feature to "Enable PAE/NX".
Now simply check that box/make it active and press the OK button to save the configuration.

That's it. Now you can try again to install the operating system and you will get succeed.