This error occurs when installing or upgrading to September 2017 release of NPrinting or higher. The installation or upgrade failure results in a rollback to the previously installed version of NPrinting or simply fails to install NPrinting.
*Please note that as a precaution it is advisable to back up your NP server database before performing major maintenance operations on your NP server.*
1. Install KB 2919355
2. Then install .NET 4.6.2 (KB3151800
or simply run the NPrinting September 2017 installer again which will install the .NET 4.6.2 framework but your NP server must have access to the internet to complete this action.
3. After installing .NET 4.6.2 Framework, please ensure to reboot the server otherwise the NPrinting installer will not be able to detect it.
4. Update your Windows Server with the latest windows updatesNOTE