For all Windows users that use external save files - it can be a good idea to open this folder on your PC and delete the entries.
C:\Users\computer name\AppData\Roaming\RenPy\Roomforrent
Several users have seen problems with these backup files that can interfere with your new save file:
Teaser from 4_0
Bob Bobson
2019-10-06 10:02:32 +0000 UTCJerch
2019-10-06 01:23:46 +0000 UTCBob Bobson
2019-10-05 23:20:38 +0000 UTCJerch
2019-10-05 23:17:34 +0000 UTCBob Bobson
2019-10-05 12:53:41 +0000 UTCrinjing
2019-10-05 11:27:32 +0000 UTC