I have dual boot, Ubuntu and Windows. I recently upgraded to Ubuntu 18.4.1 LTS. Occasionally when I boot up the old version 14 starts. The top line of Grub display at boot shows only "Ubuntu"
When I close down the system and boot again 18 may start but sometimes I have to reboot several times before I get the latest Ubuntu.
How do I remove 14[boots and all :)]?
I don't know which version of grub I have - probably not grub2