It's probably not an official crawler but some spam crawler trying to get email addresses or finding places to spam with POST links.

Also note that IE has the option to offline pages - which actually can let plain old users crawl a site and pick up content.

+++ Rick ---

>Not VFP related; an observation
>
>Last several weeks an MS crawler is hitting my website coming from ip range of 65.55.165.10 to approx. 65.55.165.125.
>
>An interesting thing that the agent parameter is a regular one:
>Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322)
>supposedly pointing at an average web user.
>
>A typical query string look like this:
>http://search.live.com/results.aspx?q=functions&mrt=en-us&FORM=LIVSOP
>
>The robot's searches are mostly too general and repetitive: functions, foxpro, using, process, windows, registry, connections, language, socket and so on.