You can only grant access to user groups, not to individual users. If you continue having problems, please contact support@lansweeper.com and provide us with the following to help us troubleshoot:
• Any install logs present in Program Files (x86)\Lansweeper\Install on your Lansweeper server.
• Program Files (x86)\Lansweeper\Service\Errorlog.txt.
• Program Files (x86)\Lansweeper\Service\Lansweeperservice.exe.config.
• Program Files (x86)\Lansweeper\Website\web.config.