nsNamedPipe NSIS r/w NamedPipeLine Plugin How to use Build project with release ANSI copy "Release/nsNamedPipe.dll" to NSIS InstallDir/x86-ansi Add NSIS Script nsNamedPipe::ReadNamedPipe "\\.\pipe\PipeName" "SendContent" MessageBox MB_OK $0 ;$0 = 0 Read Error