I'm attempting to to install Ubuntu 18.04.2 in a desktop computer with a Windows. I downloaded it and made a bootable USB stick. I then chose the simplest install options and allocated 32 GB of my SSD. Ubuntu then loaded correctly, but, as soon as I rebooted it once, when trying to boot again, it just logs a lot of lines in a white font with a black screen behind. Those lines say:
pcieport 0000:00:1d.2: PCIe Bus Error: Security=Corrected, type=Physical Layer, (Receiver ID)
Reinstalling Ubuntu works again only once. As soon as I reboot it, I can't boot again.