Well, some gamers that are trying to install games on their drives using NTFS filesystem on Steam (Snap) or something, but sometimes NTFS filesystem (Due to limit supported for Linux/Ubuntu) may have some issues that may not be able to edit or delete files or whatever.
We can try to reconnect them if we want, but it’s not going to fix it once in for all. 
Wait a minute… 
I found the way to fix that, go to terminal and copy & paste this. 
sudo ntfsfix (Example: /dev/sda1)
Apparently this is an only workaround we got to do, yes if your drives with NTFS filesystem are still connected, please reconnect them after the workaround is done.