Fail to read registration info during PrintUsage Pro installation

1. Check if softdog is installed on dominating server.

2. Make sure the license you are using matches the right version. License of professional version can not be used for enterprise version; vice versa.

3. Check if softdog driver is installed correctly. Because there are different operating systems, different user priviileges and different file protection, it's possible that softdog is not installed correctly. Please follow the steps below to install softdog: