• Running a small bit of code is a favourite

    var WshShell = WScript.CreateObject("WScript.Shell");
    for (var i = 0; i < 12; i++) { // Loop 12 times
        WshShell.SendKeys('{SCROLLLOCK}');
        WshShell.SendKeys('{SCROLLLOCK}'); // Toggle Scroll Lock
        WScript.Sleep(300000); // Wait 5 minutes
    }
    

    Save as whatever.js, right click & open with CMD

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