# What you should notice when upgrading VitualBox ## Upgrade Go to https://www.virtualbox.org/wiki/Downloads to download latest version. Make sure that you download both 1. **VirtualBox Platform Packages** 2. **VirtualBox Extension Pack** Make sure that both of these version should be same! You can check your VirtualBox version from here. ![image](https://hackmd.io/_uploads/ByceT1BRJx.png) You can check your currently installed extension package with Extension Pack Manager. ![image](https://hackmd.io/_uploads/SyvSp1B01e.png) After updgrading both one, don't forget to install the same version's **Guest Addtions CD image** in your virtual machine. ![image](https://hackmd.io/_uploads/ryG56kB0Jx.png) **If you install above three package with different version, you may ecounter usb devices not working.** ## Problems with previously created VM If you cannot open it, try to disable 3D acceleration. ![image](https://hackmd.io/_uploads/BJ4V0yrRke.png) You can enable it after installing correspondant Guest Addtions CD image. ## Reference - [VirtualBox can’t enumerate USB device on Windows 11](https://www.thewindowsclub.com/virtualbox-cant-enumerate-usb-device-on-windows#:~:text=To%20use%20host%20USB%20devices%20inside%20a%20virtual,on%20File%20%3E%20Tools%20%3E%20Extension%20Pack%20Manager.)