Board Thread:Questions and Answers/@comment-30557719-20161121005806/@comment-33470269-20171018194008

Nope, i have a Windows and this also happened, i stopped on Sans fight and i resetted my Computer ( Without getting the Save File, i actually forgot about it ) and when i opened the game, Chara was on the game asking for my soul and i was like o_O

Maybe what causes it is the Steam cloud or something like that.

After giving the soul to Chara, i've deleted the files and did a normal True Pacifist Run.