How do I activate a live editor file (*.mlx) (which is frozen, no response, no editing allowed)?

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A recently saved *.mlx file appears "frozen", not allowing editing.
How can I make it active?

Accepted Answer

Anjaneyulu Bairi
Anjaneyulu Bairi on 19 Mar 2025
Hi,
If the MATLAB live editor isn't responding due to invalid preferences, you can try resetting them with the following steps:
  • Open the MATLAB command window and execute:
prefdir
  • This will show the path to your preferences directory.
  • Navigate to this directory and back up all its contents by copying them to a safe location.
  • Delete everything in the preferences directory.
  • Restart MATLAB
I hope this helps!

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