In short: The loader cannot gain the necessary access to modify the VCDS software’s memory.

Temporarily disable your antivirus or add an for the entire C:\Ross-Tech\VCDS folder and the VCDSLoader.exe file. Verify Firmware State

It seems you're encountering an issue related to VCDS (VAG-COM Diagnostic System) Loader, specifically with a "Kolimer failed" error, denoted as error 2. VCDS is a popular tool used for diagnostics and coding of Volkswagen Group vehicles (VW, Audi, Seat, Skoda). The error you're experiencing suggests a problem during the loading or initialization process of the VCDS software. Let's break down the information and potential solutions: