SharePoint 2007: "Open in Explorer View" with Windows 7 and IE8 is Extremely Slow

I worked with a customer today who was experiencing extreme delays when using the “Explorer View” in Microsoft Office SharePoint Server 2007 on a Windows 7 machine with Internet Explorer 8. After clicking on either “Actions – Open in Explorer View” or changing the view to “Explorer View”, the following message would be shown in…

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