virtualbox – Installing Ubuntu on Virtual Box

I know that there are similiar questions to these, but I searched them and tried but I didn’t succeed. Basically, I have downloaded Ubuntu 22.04 LTS version from Ubunto site, however when I am installing it in my Virtual Box, it gets completed to some part, and then it doesn’t load.
I have attached the screenshot for clarity. It isn’t proceeding after this

On a side note- I have Mac OS, and have dedicated 2CPU for this UBUNTU with maximum possible 4.
I have allocated 2048 MB RAM to it with the maximum possible 4096MB.

My current total free memory in mac is around 2GB
I have allocated 25GB to this Ubuntu