If you encounter the above message when start the RoboMail, check the following to resolve the problem. 1. Ensure only single instance of RoboMail is running. 2. Follows the instruction shown on the dialog and remove the "robomail.lck" file. After that, start the RoboMail again. 3. To avoid the database locked, please close the RoboMail nicely. 4. If problem stills exists, please contacts the RoboMail Support Team.