I can not do windows update.

I can not do windows updated, it gave me this error message as below:

The website has encountered a problem and cannot display the page you are
trying to view. Take the following steps to try solving the problem:
Refresh the page.
In Internet Explorer, delete your Temporary Internet Files by going to the
Tools menu and clicking Internet Options.
Close and then re-open Internet Explorer.

also when I open my application it gave me this error:
the context help activeX object failed to load

any idea how to fix this? need help, thank you

Lillian