Windows system prompts are not internal or external commands or a solution to runnable programs.

Windows system computers are running CMD command prompt windows, and there are no internal or external commands or programs or batches that can be run.

Workaround: The environment variable is abnormal, reconfigure the system default value.
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Methods/Steps

1, Start & Rarr; Run & Rarr; Input: CMD Click OK (or press Enter) to open the Command Prompt window.

2. Enter the normal ping command and display the error prompt: it is not an internal or external command or a runnable program or batch.

3, start → control panel → system

4, system attributes → advanced → environment variables

5, Environment variable → Path & rarr; Edit

6, in the open path to see the variable name Path under the variable value has the following message? If there is no copy (Ctrl+C), paste (Ctrl+V) → OK. %SystemRoot%\\system32;%SystemRoot%;%SystemRoot%\\System32\\Wbem

7, come to the CMD command prompt window again: ping command, enter the implementation is normal.

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