1. NTFS Mounted as read-only
https://askubuntu.com/questions/1138076/ubuntu-18-04-cant-write-on-ntfs-partition
your windows is putting the "read-only" flag on all detectable ntfs partitions everytime it shuts down or reboots.
If you don't want it to do that, boot to your windows, open up a administator powershell (to do that find powershell in start, right click on it, then select "run as Administrator").
then type :
powercfg -h off