If your license key is not working, consider these common solutions found in the OBDLink Troubleshooting Guide :
: Set your car's ignition to "Key On, Engine Off". Open Activation Wizard : obdwiz license key work
By understanding these rules, you can keep your OBDwiz Professional Edition running smoothly across different computers without unexpected lockouts. If your license key is not working, consider
OBDwiz license key is an activation code used to unlock the full features of the OBDwiz diagnostic software Copy-paste exactly
| Error | Solution | |-------|----------| | Invalid license key | Check for typos, spaces, or missing hyphens. Copy-paste exactly. | | Key already activated on another PC | Deactivate from the old PC, or contact support for a reset. | | Hardware ID changed | If you replaced your motherboard, request a reset from support. | | Internet connection required | Connect once to activate; after that, offline works. | | Version mismatch | Some keys work only with OBDwiz 5.x. Do not use with ScanXL or newer versions. |
The free version of the official OBDLink app for Windows does not require a license key—but it only works with genuine OBDLink interfaces.
