Utter mess after installing following instructions

I basically got a whole new ComfyUI embedded in the E:\StableSwarmUI-master\dlbackend\comfy\ComfyUI\custom_nodes\ComfyUI-Manager folder and now my run_nvidia_gpu.bat throws a list of errors and quits

E:\StableSwarmUI-master\dlbackend\comfy>.\python_embeded\python.exe -s ComfyUI\main.py --windows-standalone-build
Fatal Python error: init_import_site: Failed to import the site module
Python runtime state: initialized
Traceback (most recent call last):
File "", line 1176, in _find_and_load
File "", line 1147, in _find_and_load_unlocked
File "", line 690, in _load_unlocked
File "", line 980, in exec_module
File "", line 626, in
File "", line 613, in main
File "", line 394, in addsitepackages
File "", line 236, in addsitedir
File "", line 188, in addpackage
File "encodings\cp1252.py", line 23, in decode
UnicodeDecodeError: 'charmap' codec can't decode byte 0x90 in position 983: character maps to

E:\StableSwarmUI-master\dlbackend\comfy>pause
Press any key to continue . . .