netsh script works fine in Command Prompt but the batch file

Hate to make another one of these threads as I see them all the time, but frankly nothing has helped.
I'm trying to create two batch files, one to enable my network adapter and the other to disable it. I plan on using them with Task Scheduler as a security measure (had a recent ransomware crisis).
This is what I have:
netsh interface set interface Ethernet DISABLE
netsh interface set interface Ethernet ENABLE
Ethernet is of course my interface's name. They both work as intended in command prompt, but the batch files don't accomplish anything (even when I run as admin) other than a flashing cmd window.

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Reporting: netsh script works fine in Command Prompt but the batch file
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Clarification Request
So as a test.

Open the cmd window and type in the batch filename. What happens?

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RE: So as a test.

Hey thanks for point that out. I get the following:

The following command was not found: netsh interfaceàset interface Ethernet DISABLE

No that's not a typo, it's throwing in an accented 'a' over a space. Is this for a particular reason? I've tried rewriting the script and deleting and remaking the entire file, still get the same result.

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I'm missing which OS.

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