In my computer internet websites activeX & flash not working I am using windows XP & Internet explorer 7. I can try so many times then I uninstall try to re-install. In the control panel add or remove programs Adobe flash has not installing there is into mark symbol in Adobe flash player & adobe activeX ? What can I do ?

I didn't fully understand your post, so here are some general comments:
1. Software installs need to be done using an account that has administrative rights.
2. IE security settings can prevent ActiveX controls from functioning.