Ok ! but How do I check the Key from VFP?

>>I like to have URL link in my VFP form.
>>When the users click on the underline text in bleu I what to start EI and jump to the URL. But first I have to check if the IE browser is install.
>>
>>Any one knows how to do this?
>
>Try opening the HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer entry in the registry. If present, there's an entry for the version also. If you can't, it's not installed.