If your COM ports are being blocked even though the firewall is turned off, there are a few things you can check to troubleshoot this issue:
Check Device Manager
- Device Status:
- Open Device Manager by pressing
Windows key + X
and selecting "Device Manager."
- Look for any warning symbols next to your COM ports. If there are issues, it might indicate a driver problem.
Verify COM Port Settings
[]COM Port Settings:
- Right-click on the Start button, and select "Device Manager."
- Right-click on the COM port and go to "Properties." Check the port settings like baud rate, data bits, etc.
Disable Serial Port Enumerator
[]Disable Serial Port Enumerator: