I tired to run CH9, and got an exception error. I tried to overwrite it with the CH9 Patch, but still got same error:
Game won't run
I'm sorry, but an uncaught exception occurred.
Before loading the script.
error: Error -3 while decompressing data: incorrect header check
-- Full Traceback ------------------------------------------------------------
Full traceback:
File "E:\Itch.io AVNs\Myth of Slayer\MythofSlayer-Ch.9-pc\renpy\bootstrap.py", line 359, in bootstrap
renpy.main.main()
File "E:\Itch.io AVNs\Myth of Slayer\MythofSlayer-Ch.9-pc\renpy\main.py", line 403, in main
renpy.loader.index_archives()
File "E:\Itch.io AVNs\Myth of Slayer\MythofSlayer-Ch.9-pc\renpy\loader.py", line 261, in index_archives
index = handler.read_index(f)
File "E:\Itch.io AVNs\Myth of Slayer\MythofSlayer-Ch.9-pc\renpy\loader.py", line 133, in read_index
index = loads(zlib.decompress(infile.read()))
error: Error -3 while decompressing data: incorrect header check
Windows-10-10.0.19045 AMD64
Ren'Py 8.3.4.24120703
Thu Oct 30 16:44:33 2025