Home/ Questions/filenotfounderror: [winerror 2] the system cannot find the file specified. How to fix this error?
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Dr. Cindy Dooley II
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Asked: 2022-06-30T10:47:37+00:00 In:

filenotfounderror: [winerror 2] the system cannot find the file specified. How to fix this error?

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Please help me solve the filenotfounderror: [winerror 2] the system cannot find the file specified problem. 

Here is my entire error message:

>>> import subprocess

>>> subprocess.run(["dir", "/p"])
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Users\zhaosong\anaconda3\envs\env_python_37\lib\subprocess.py", line 488, in run
with Popen(*popenargs, **kwargs) as process:
File "C:\Users\zhaosong\anaconda3\envs\env_python_37\lib\subprocess.py", line 800, in __init__
restore_signals, start_new_session)
File "C:\Users\zhaosong\anaconda3\envs\env_python_37\lib\subprocess.py", line 1207, in _execute_child
startupinfo)
FileNotFoundError: [WinError 2] The system cannot find the file specified

Hope to receive an answer soon about the cause of the error and how to handle it. I really appreciate everyone’s help. Thank.

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1 Answer

  1. Best Answer
    Expert

    The cause: This filenotfounderror: [winerror 2] the system cannot find the file specified error happens when you execute the aforementioned command in a window shell without passing the shell=True argument to the run method of the subprocess module.

    Solution: If you provide the shell=True argument in the run method of the subprocess module, it will execute successfully as seen below:

    >>> import subprocess
>>> ret = subprocess.run(["dir", "/p"], shell=True)
Volume in drive C has no label.
Volume Serial Number is C01B-6F8A

Directory of C:\Users\zhaosong

07/07/2020 18:58 <DIR> .
07/07/2020 18:58 <DIR> ..
......
02/08/2020 19:13 <DIR> Videos
2 File(s) 50 bytes
23 Dir(s) 173,195,341,824 bytes free
>>> ret
CompletedProcess(args=['dir', '/p'], returncode=0)
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