after the installation finishes. Applying the Loader :

It sounds like you’re trying to software/drivers for a VCDS 22.31 (or 22.3.1) Hex-V2 clone interface.

A: VCDSLoader (often referred to as the Kolimer loader) is typically used for clones with the Atmega162 chip. VIIPlusLoader is used for clones with newer ARM STM32F405/429 chips. Make sure you are using the correct loader for your cable.