As you can see in the gif picture I can't install Ubuntu on virtualbox.
Whenever I move my mouse, the screen will change dramatically.
Actually, I don't know what keyword should I use, if I want to find a solution with Google. It seemed to be display problem, but how can I fix it?
Ubuntu 15.10, Kubuntu 15.04 and Kubuntu 15.10 all couldn't install.
My virtualbox version: 5.0.0 r101573
VM Ram: 4096 MB
Video Memory: 12 or 128 (in gif, it's 12)
I didn't enable 3D acceleration.
CPU cores: 4
Other settings were default.
CPU: Xeon v3-1231
OS: Win 8.1
Graphic card: AMD R9-270 (MSI)