so i recently installed reborn os, and out of the box when i opened the gui package manager ('pamac-manager' in system monitor, 'add or remove program' in launcher) it shows no packages found.
But when you open package manager as su using terminal with the command
it works perfectly. this led me to believe theres something wrong with the permissions.
so i investigated and found that read permission of etc/pacman.conf was not there for group or others.
but the funny thing is when you clicn on properties it shows as read only. but when you open etc folder with right click open in new window as admin , the properties show different permissions. and by default it is read and write for root only.
go to the system disk
open etc as admin
then change permissions of pacman.conf to read only for group and others
NOTE: even in normal window the permissions show already as read only. still follow the steps and it will be fixed.