Windows Update occasionally forces new FTDI drivers that brick clone cables. Use a tool like "Show or hide updates" troubleshooter from Microsoft to block driver updates for your diagnostic cable.
The error typically indicates that Windows Defender, an antivirus program, or an explicit software blacklisting mechanism has quarantined or blocked the custom launcher execution file. This critical error entirely halts the connection between aftermarket HEX-V2 interfaces and the VAG-COM Diagnostic System (VCDS) software wrapper. vcds loader kolimer failed 2
If the bootloader is disabled, the VCDS software will struggle to maintain a stable connection, often leading to activation errors or the cable being locked after brief use. To check your cable's status, you can use a utility called (often included in loader packages). It will report if your bootloader is enabled. Windows Update occasionally forces new FTDI drivers that