MTP USB Device" driver error (screenshot) when connecting my Galaxy S to my PC in Kies mode -- How can I resolve this problem? - Android Enthusiasts Stack Exchange
Cannot connect to Android. Missing Portal Devices and MTP driver - Microsoft Community
Nokia Lumia Devices Code 31 MTP USB device has a driver problem - Microsoft Community
Nokia Lumia Devices Code 31 MTP USB device has a driver problem - Microsoft Community
Cannot connect to Android. Missing Portal Devices and MTP driver - Microsoft Community
Solved - Driver installation: File not found | Windows 8 Help Forums
How to Fix Error Code 31 in Windows 10/8/7 [EASILY] - Driver Easy
How to fix Error code 31 – missing drivers?
Nokia Lumia Devices Code 31 MTP USB device has a driver problem - Microsoft Community