Old drivers cause conflicts. Go to . Uninstall any existing "MediaTek USB VCOM Driver" or "MTK USB Port" entries. Then:
All 1,204 automated driver tests passed except for test mtk_bt_audio_switch (known issue #1401). mtk driver v1.0.14
MTK Driver v1.0.14 (MediaTek USB VCOM Driver) is a critical utility used to establish a stable connection between a Windows PC and mobile devices powered by MediaTek (MTK) chipsets Old drivers cause conflicts