"Unable to validate current license file. Please reinstall PowerServer"

Web application cannot load in Internet Explorer. The pop up error message is displayed "Unable to validate current license file. Please reinstall PowerServer".

Cause: Validation of appeon.license file in AppeonServer.db file may fail if abnormal operations are performed. You will continue to see the error message if PowerServer is not reinstalled.

Solution: Reinstall PowerServer. Avoid such operations in PowerServer:

1. Modify the information in appeon.license file

2. Copy components to PowerServer instead of deploying them.