Open , find the Ross-Tech or USB Serial device, and select "Uninstall device," ensuring you tick "delete the driver software for this device" . Unplug the interface and restart your PC.
Elevator 10, Driver Installation, No COM Port Created - Elektroda
The loader needs to elevate privileges to hook into VCDS.exe. If you run the loader without “Run as Administrator,” it cannot write to protected memory regions. The process fails at step 2 (hence “2 top” – second privileged operation).
Always run the loader as Administrator to ensure it has the permissions needed to bypass Windows' memory protection. vcds loader kolimer failed 2 top
If you are stuck on this error, methodical troubleshooting can help you identify if the issue is a simple software glitch or if your cable has been permanently "bricked". 1. Check Your Driver Status in Device Manager
Walk through for specific folders
: Always connect the cable to the car's OBD port first, then to the laptop , before opening the loader. If these steps don't work, could you tell me: What VCDS version are you currently trying to run? What is the Windows version on your laptop? Has this cable worked before on this same computer? Open , find the Ross-Tech or USB Serial
: Ensure you are using the specific version of VCDS provided by your cable's seller. Using the official VCDS software from the Ross-Tech download page with a clone cable often triggers security blocks or "failed" messages. Perform a Clean Driver Reinstall :
Only for very old cars (pre-2010) and only if you accept the security risks.
Diagnostic Steps
For the safety of your vehicle’s electronics and your own cybersecurity, consider moving away from cracked diagnostic tools. The peace of mind, reliable bi-directional controls, and community support from genuine tools like Ross-Tech VCDS or OBD11 far outweigh the short-lived victory of bypassing a “failed 2 top” message.
: The loader often requires specific Visual C++ Redistributable packages or .NET Framework versions to run its shell.
This is an alternative to Kolimer that is sometimes more stable with newer clones. If you run the loader without “Run as
VAG (Volkswagen Group) models after 2018 use SFD (SFD – Schutz für Fahrzeugdiagnose) – a protection requiring online authentication. No cracked loader can bypass SFD. So if you own a 2020+ Golf, Tiguan, or A3, the Kolimer loader will be useless.