Processing
: Look for two "Unknown Devices" or "USB Serial" entries under Ports (COM & LPT) or Universal Serial Bus controllers . Update Drivers : Right-click each device and select Update driver . Choose Browse my computer for drivers .
Installing device driver software... Installed successfully. mvci driver for toyota-cable 2.0.1.msi
: Use a command like msiexec /a "MVCI Driver for TOYOTA-CABLE 2.0.1.msi" /qb TARGETDIR=C:\temp\mvci to unpack the driver files. : Look for two "Unknown Devices" or "USB
: While originally designed for Windows XP and 32-bit systems, the 2.0.1.msi version is often used in manual installation workarounds for Windows 7, 8, and 10 (64-bit) . or "Toyota MVCI" entries
Open Device Manager. If you see any "Mongoose", "J2534", or "Toyota MVCI" entries, right-click and uninstall them (check "Delete driver software").