Try running IE8 with add-ons disabled.
Go to Start > Programs > Accessories > System Tools > Internet Explorer (No
Add-ons) to start IE8 without any add-ons. Try using the browser and see if
the same problem arises.
If the problem does not occur again, start IE8 normally, go to Tools (if the
menu bar does not appear, hit the Alt key on the keyboard) > Manage Add-ons.
Disable all the add-ons under 'Toolbars and Extensions'. Enable each add-on
one at each time and see if the problem occurs again. Once it occurs again
after enabling an add-on, you have nailed the culprit.
If still no go, see http://support.microsoft.com/kb/923737
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"pestocat" <email@example.com> wrote in message
>I have IE8 with Win XP Pro and when I search for an an item and click on a
>Wikipedia entry, I get message that IE8 doesn't know what to do with it and
>needs to find an application and then it can't find the needed application.
>Other PCs work OK without a problem. What is going on? Do I need to
>configure IE in some way.