Fatal error in launcher: Unable to create process using '"pip.exe" --version': Le fichier spÚcifiÚ est introuvable. code example

Example 1: Fatal error in launcher:

python -m pip  #example [python -m pip install tensorflow]

Example 2: Fatal error in launcher: Unable to create process using '"'

import pip
pip.main(['install','flask']) # replace flask with the name of module you want to install