When you run a command-line in a Command Prompt window, the following error may appear:
'help' is not recognized as an internal or external command, operable program or batch file.
This happens even if the respective executable file is located in the Windows or System32 folder, such as help (help.exe), xcopy (xcopy.exe), findstr (findstr.exe), etc. However, you can run the file by mentioning the full path — e.g., c:\windows\system32\help.exe.
The internal commands, such as cd, md, del, copy, and erase, may work fine.
The above error occurs if the Windows or Windows\System32 folder is not included in the PATH system environment variable.
By default, in a standard Windows installation, the following folders are included in the System
And the following folder is included in the User
Note: Another possibility is that the C:\Windows and C:\Windows\System32 are pushed to the end of the PATH system environment variable, which can cause problems when running a command in the Command Prompt window.
To fix the “not recognized as an internal or external command” error in Command Prompt, add Windows and Windows\System32 to the PATH environment.
Add Windows and System32 to the PATH environment
- Right-click Start, and click Run. Type “
sysdm.cpl” and click OK. This launches the System Properties dialog.
- Select the “Advanced” tab, and click “Environment Variables..”
- Under “System variables,” double-click “Path.”
- In the “Edit environment variable” dialog, add each of the directories listed above.
- If you want to add additional folder locations — e.g., “C:\Program Files\Java,” feel free to add them.
- Also, if you want, you can configure the user path settings by double-clicking “Path” under “User variables.”
- Click OK, OK, OK to close the dialog boxes.
- Restart Windows for the changes to take effect for all apps and services.
What if they’re already included in the PATH?
If %SystemRoot%\system32 and %SystemRoot% are already included in PATH and yet the problem occurs, make sure you move the two items to the top of the list.
For example, your PATH variable may look like the following:
Path=C:\Program Files (x86)\Common Files\Oracle\Java\javapath;%C_EM64T_REDIST11%bin\Intel64;C:\Program Files (x86)\Common Files\Microsoft Shared\VSA\10.0\VsaEnv;%INTEL_DEV_REDIST%redist\intel64\mpirt;%INTEL_DEV_REDIST%redist\intel64\compiler;%INTEL_DEV_REDIST%redist\ia32\mpirt;%INTEL_DEV_REDIST%redist\ia32\compiler;C:\ProgramData\Oracle\Java\javapath;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\;C:\ProgramData\chocolatey\bin;%SYSTEMROOT%\System32\OpenSSH\;C:\Program Files (x86)\CCLRC ISIS Facility\Open GENIE\system;C:\Program Files (x86)\Common Files\Autodesk Shared\;C:\Program Files\dotnet\;C:\Program Files\Atomes;C:\Users\ach25\AppData\Local\Microsoft\WindowsApps;
As you can see, the two entries,
%SystemRoot%, are pushed to the middle/end of the PATH variable. This can cause an error when running a command in the Command Prompt window.
Move Windows and Windows\System32 to the top
To fix the issue, move Windows and Windows\System32 to the top of the PATH environment variable.
Ensure that the top 5 items in the system PATH variable are the following:
Additionally, you may want to remove obsolete entries, if any, from the PATH variable.
After moving the stock entries to the top, the dialog appears like below:
That should do the trick!
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