1. Cara pertama yang bisa dilakukan yakni buka Windows Security dengan cara mencari aplikasi bernama Windows Security, adapun cara kedua yakni dengan menekan tombol Windows + R pada keyboard, lalu ketik windowsdefender:/// dan klik OK maka akan ditampilkan Windows Security. Step 1: Start your PC. Just as Windows attempts to load, press the Power button to turn it off immediately. Do this operation two or three times. Step 2: On the third time, you can see a message that says “Preparing Automatic Repair”, then you can click “Advanced options” to repair your PC. In the Local Group Policy Editor window, navigate to the following path: Computer Configuration\Administrative Templates\System\Local Security Authority. In the right panel, double-click on the Press the Windows key , search for control panel and launch it. Change the view by to Small icons and select Phone and Modem. Open the Modems tab, choose the modem and click Remove. Restart PC to take effect. This fix is for modem-related issues that cause VPN the required port is open problem on Windows 11/10. .

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