install problems

i have a strange bug here, don't now where to search. when i install php with setup.exe on my win 2000 server, there is a error message: - component mscomctl.ocx or one of its dependencies not correctly registered, a file is missing or invalid after clicking on OK, php setup says OK, successfull installation. i check the isapi extension in IIS 5.0 --> nothing so, i did manual configuration in IIS with extension .php and the correct dll after running a test, every php-script is terminating with a http error 500 - internal server error and in the system-event-protocol i have an error 10004: EventID 10004 Source DCOM DCOM got error "Logon failure: unknown user name or bad password. " and was unable to logon \IWAM_TEK1 in order to run the server: {3D14228D-FBE1-11D0-995D-00C04FD919C1} same happens with an installation of IHTML or other script-server dll.... who can help? mike C-TEK Computer Bergstrasse 36 CH-5430 Wettingen phone & fax 056 426 04 01