Weird, the _b version works fine for me
It happened to me too, but there seems to be a new version now and that one works (the original version was 0.6.1_a, the new downloadable version is 0.6.1_b)
Well, it is spoilers, but I guess it's something like the tunnel with the light at the end of it. In other words, the moment she died. No wonder why the texts were all "Come back" and you couldn't come back anymore, the tunnel was blocked.