Thanks,Quovodis! I had read and executed the installation instructions in the activex/README file . My problem is bellow: I compress a axvlc.cab include "axvlc.inf" and "vlc-0.8.6-svn-win32.exe",then I modify the "test" page,set 'codebase="axvlc.cab#Version=0,8,6,0...