@EmilioPB-9217, Thanks for posting in Q&A. To deploy user context scheduled task via Intune. Here is a link list the detailed steps for your reference:
Note: Non-microsoft link, just for the reference.
As the task needs to be run in the user context for all users, pleasr ensure your task is set up to run as BUILTIN\Users in the task you created. Also, in the PowerShell script, remove the “-User system”.
Hope the above information can help.
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