“How to Reinstall Launch X431 V Client” posted on some forums by some people, they feel confused to operate because improper operation might cause this tool damaged. Exactly I also met the same problem previously, writeup I share blow was derived from Careucar engineer. The writeup below is also WORKABLE for X431 V+.
First of all, you need to uninstall X-431 V Client.
1. Press on X431 V icon and push it up to the trash bin.
2. Click settings >> Manage APPs >> X-431 V >> Uninstall.
3. Delete “cnlaunch” from the following 2 files (mark red).
4. Visit dbscar website, and then download the newest version for X431 V Client and install it.
5. Open the installed Client, log into your CC account.
6. Download software (as the below picture).
Launch X431 V Full System Automotive Diagnostic Tool is a new diagnostic tool release by Launch tech. It completely replace Launch X-431 V, it supports one click online update, supports full range car model from USA, Europe and Asia. X431 V is perfect tool for car diagnosis.