One of my blog site readers ask me the solution to solve “Unable to access service.Please contact the User Help Desk.” error when he need activate Benz Xentry diagnostic software.So here car-auto-repair.com show you guide on how to solve this error.
Right click on taskbar and select “task manager”
Click “Service” then click “Open Service” for more details
Scroll down the bar to locate “Daimler ConfigAssist”
Then click “Start” the service
After then you will find the error solved!