I have dual boot with Win10/Ubuntu. I am running gparted within Ubuntu. I have also tried running gparted using the live USB. The result is same.
This is how it looks like:
I would like to increase the size of /dev/nvme0n1p6 (selected blue) using the unallocated space. But I am not able to do that.
I wonder if I am doing something wrong. I am also unsure why my unallocated space is split in two.
You don't have unallocated space adjacent to /dev/nvme0n1p6. If you want to move /dev/nvme0n1p4 then /dev/nvme0n1p5 and then /dev/nvme0n1p6