Does the DOTNET class work? When I load the example code: $stack = new DOTNET('mscorlib', 'System.Collections.Stack'); $stack->Push(".Net"); $stack->Push("Hello "); echo $stack->Pop() . $stack->Pop(); I get a com_exception with the message: 'Failed to instantiate .Net object [CreateInstance] [0x80070057] The parameter is incorrect'. If I change the first line to: $stack = new COM('System.Collections.Stack'); Everything seems to work ok. I've seen some many-months-old posts with this same problem, but no solutiuon or any reply at all is attached. Also, I find if I try DOTNET/COM on apache, things crash, so for now I'm running under IIS. I've tried php 5.0.4, and the 2005.08.22 snapshot under IIS 5.1 (Windows XP SP1) & apache 2.0.54.0 (i.e., xampp 1.4.15). --Matthew Peltzer --matthew.d.peltzer@xxxxxx -- PHP Windows Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php