http://developers.de/blogs/damir_dobric/archive/2010/02/09/winspool-drv-setport-function-fails.aspxWhen calling SetPort function implemented in WinSpool.Drv within .NET, you may get following error: 0x0000007C - The system call level is not correct. After intensive digging in internet I didn’t find anything related to this error. The problem is thatenCommunityServer 2008 SP1 (Build: 30619.63)