You can send your feedback at http://support.microsoft.com/default.aspx?kbid=867477.

VFP help uses MAILTO: protocol to open default mail client. Most likely something related to this protocol is misconfigured on your PC.

>From the Help file I pressed "Send feedback to MS about this topic (wanted to complain, that this is absolutely unhelpful) and got an error: "The command line argument is not valid. Verify switch you are using" from MS Outlook with Ok button only. How should I fix the problem?