Introducing PsychoPy Studio

on 2026.2.3 I am having some issues with version control. I saved a .psyexp as 2025.1.1 and tried to start it in Studio and am getting errors for that particular version. It is in the menu of available versions.

unning C:/Users/HN_Lab_405/Desktop/Experiments/Mem_Context/DS_Mem_Context_Emo_Encoding/mem_context_emo_ET_DS123.py...
Traceback (most recent call last):
  File "C:\Users\HN_Lab_405\Desktop\Experiments\Mem_Context\DS_Mem_Context_Emo_Encoding\mem_context_emo_ET_DS123.py", line 15, in <module>

    psychopy.useVersion('2025.1.1')
  File "C:\Users\HN_Lab_405\AppData\Roaming\psychopy4\.python\2025.1.1\lib\site-packages\psychopy\tools\versionchooser.py", line 256, in useVersion

    reqdMajorMinorPatch = fullVersion(requestedVersion)
  File "C:\Users\HN_Lab_405\AppData\Roaming\psychopy4\.python\2025.1.1\lib\site-packages\psychopy\tools\versionchooser.py", line 494, in fullVersion

    for tag in availableVersions(local=False):
  File "C:\Users\HN_Lab_405\AppData\Roaming\psychopy4\.python\2025.1.1\lib\site-packages\psychopy\tools\versionchooser.py", line 477, in availableVersions

    list(set([psychopy.__version__] + _localVersions(forceCheck) + _remoteVersions(
  File "C:\Users\HN_Lab_405\AppData\Roaming\psychopy4\.python\2025.1.1\lib\site-packages\psychopy\tools\versionchooser.py", line 404, in _localVersions

    tagInfo = subprocess.check_output(cmd.split(), cwd=VERSIONSDIR,
  File "C:\Users\HN_Lab_405\AppData\Roaming\uv\python\cpython-3.10.18-windows-x86_64-none\lib\subprocess.py", line 421, in check_output

    return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
  File "C:\Users\HN_Lab_405\AppData\Roaming\uv\python\cpython-3.10.18-windows-x86_64-none\lib\subprocess.py", line 503, in run

    with Popen(*popenargs, **kwargs) as process:
  File "C:\Users\HN_Lab_405\AppData\Roaming\uv\python\cpython-3.10.18-windows-x86_64-none\lib\subprocess.py", line 971, in __init__

    self._execute_child(args, executable, preexec_fn, close_fds,
  File "C:\Users\HN_Lab_405\AppData\Roaming\uv\python\cpython-3.10.18-windows-x86_64-none\lib\subprocess.py", line 1456, in _execute_child

    hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
FileNotFoundError: [WinError 2] The system cannot find the file specified

Finished running C:/Users/HN_Lab_405/Desktop/Experiments/Mem_Context/DS_Mem_Context_Emo_Encoding/mem_context_emo_ET_DS123.py