I re-installed aseprite and my wacom drivers, the problem still remains, BUT this time if I press alt+tab 2 or 3 times (which means: go to other tabs for a while) and return to aseprite, my tools start working again
I re-installed aseprite and my wacom drivers, the problem still remains, BUT this time if I press alt+tab 2 or 3 times (which means: go to other tabs for a while) and return to aseprite, my tools start working again