Why I can't change the default program from the command prompt?

Accidentally, I changed the default program to open the .py (Python script) files at the command prompt, now I can't change it back even in the Control Panel, the check box is gray. Also I tried the registry editor, I do not have the NoFileAssociate file.
If someone could help that would be great!

Hello

This problem occurs when Windows thinks that the application already exists in the list. Change the name of the application may fix this problem. Please try the following if you do not want to rename python.exe


Method [1]: Use the registry to change the application Associations
ATTENTION: It is recommended that you create a restore point before you proceed
  • On the start menu, insert the following text and press ENTER: regedit.exe
  • Delete the following key
    Python.exe HKEY_CLASSES_ROOT\Applications\

Thank you
Have a nice day :)

Tags: Windows

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