Access Is Denied When Trying to Pip Install a Package on Windows

pip install access denied on Windows

For Windows, in Command Prompt (Admin) try to run pip install using the Python executable:

python -m pip install mitmproxy

This should work, at least it worked for me for other package installation.

pip Access denied Windows 10

This is a problem with windows defender blocking pip for some reason.

The solution is to make an exception for the python folder (appdata/local/programs) if you used the default install location.

To add an exception:

1. Go to Start > Settings > Update & Security > Windows Security >
   Virus & threat protection
2. Under Virus & threat protection settings, select Manage settings, and then under Exclusions, select Add or remove exclusions.

and select the python folder. I also added my virtual environments just in case.

Could not install packages due to an EnvironmentError: [WinError 5] Access is denied

EnvironmentError: Access is denied errors usually stem from one of two reasons:

1. You do not have the proper permissions to install these files, and you should try running the same commands in an Administrator Command Prompt. 90% of the time, this should solve the problem.
2. If the first doesn't work, then the problem is usually from an external program accessing a file, and you (or the installation script) are trying to delete that file (you cannot delete a file that is opened by another program). Try to restart your computer, so that whatever process is using that file will be shut down. Then, try the command again.

"Access is denied" while upgrading pip.exe on Windows

The problem here is apparently because you are running pip.exe to upgrade itself. So the pip.exe to be deleted is actually running at the time. The fix is to use a slightly different command line:

python -m pip install --upgrade pip

This is from this bug report (though there are others):

• Access is denied: '... pip.exe' is because you're upgrading pip
using the pip.exe wrapper which gets replaced in the upgrade. On
Windows you can't replace in-use executables/DLLs. You should use
python -m pip install --upgrade pip . IIRC this is noted in the
documentation.

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