Based on community consensus and common troubleshooting for VCDS interfaces , here are the most effective solutions:
Once you get Kolimer working again, follow these rules: vcds loader kolimer failed 2 updated
Plug it back into the PC (do not connect to the car yet). Start the utility (found in the VCDS installation folder) manually. Based on community consensus and common troubleshooting for
If missing, restore from a trusted archive. restore from a trusted archive.