psychopy.useVersion('latest') Issue

Builder
2

I thought it is solved but there still seems to be a problem opening the file. I can only load it into PsychoPy when Coder or Builder are already opened. Do you have any suggestions?

Welcome to PsychoPy3!
v3.0.0b10
Traceback (most recent call last):
  File "C:\Program Files (x86)\PsychoPy3\lib\site-packages\psychopy\app\builder\builder.py", line 1581, in fileOpen
    self.project = pavlovia.getProject(filename)
  File "C:\Program Files (x86)\PsychoPy3\lib\site-packages\psychopy\projects\pavlovia.py", line 995, in getProject
    gitRoot = getGitRoot(filename)
  File "C:\Program Files (x86)\PsychoPy3\lib\site-packages\psychopy\projects\pavlovia.py", line 975, in getGitRoot
    cwd=p) != 0:
  File "C:\Program Files (x86)\PsychoPy3\lib\subprocess.py", line 267, in call
    with Popen(*popenargs, **kwargs) as p:
  File "C:\Program Files (x86)\PsychoPy3\lib\subprocess.py", line 709, in __init__
    restore_signals, start_new_session)
  File "C:\Program Files (x86)\PsychoPy3\lib\subprocess.py", line 997, in _execute_child
    startupinfo)
FileNotFoundError: [WinError 2] Das System kann die angegebene Datei nicht finden