ModuleNotFoundError: No module named 'encodings'

[AiroGriefwind]

打开launcher报错。手动设置PYTHONHOME和PYTHONPATH也无法修复。（手动设置后隔壁Alas就报错了。改回空值后又能跑了）
“"G:\Downloads\python-git-program-launcher-main\python-git-program-launcher-main"
Could not find platform independent libraries
Python path configuration:
PYTHONHOME = (not set)
PYTHONPATH = (not set)
program name = 'python'
isolated = 0
environment = 1
user site = 1
safe_path = 0
import site = 1
is in build tree = 0
stdlib dir = 'G:\Downloads\python-git-program-launcher-main\python-git-program-launcher-main\Lib'
sys._base_executable = 'C:\Python311\python.exe'
sys.base_prefix = 'G:\Downloads\python-git-program-launcher-main\python-git-program-launcher-main'
sys.base_exec_prefix = 'G:\Downloads\python-git-program-launcher-main\python-git-program-launcher-main'
sys.platlibdir = 'DLLs'
sys.executable = 'C:\Python311\python.exe'
sys.prefix = 'G:\Downloads\python-git-program-launcher-main\python-git-program-launcher-main'
sys.exec_prefix = 'G:\Downloads\python-git-program-launcher-main\python-git-program-launcher-main'
sys.path = [
'C:\Python311\python311.zip',
'G:\Downloads\python-git-program-launcher-main\python-git-program-launcher-main',
'G:\Downloads\python-git-program-launcher-main\python-git-program-launcher-main\Lib',
'C:\Python311',
]
Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding
Python runtime state: core initialized
ModuleNotFoundError: No module named 'encodings'

Current thread 0x00001be8 (most recent call first):

The program is over. This may be due to an error or an active end.
请按任意键继续. . .”

[infstellar]

如何运行的?使用源代码还是完整包?