Hmm this sounds like Tailor Tales is too much on your hardware if you are getting a lot of screen freezes, and can't even seem to launch the manual save file.
Have you tried switching to your back-up save file? That one might work. Instructions:
1. Open your Itch App and find Tailor Tales. Click the cogwheel, then click manage. Then click 'open folder in explorer' and browse to this location:
`Tailor Tales > www > save`
2. There is a file in there called **file1.rpgsave** and that is your main file. Rename it to something else, such as "file1_old.rpgsave".
3. There's another file in there called **file3.rpgsave** and this is your back-up file. Rename the back-up file to **file1.rpgsave** to set it as your main file.
4. Open up the game and load your manual save file; you should now be running from your back-up file.