I purchased a new PC with Windows 10 the beginning of the year, and one of the first things I did was install Open Shell (used to be called Classic Shell). I had never used it before, but many Windows 7/8 users who were forced into Windows 10 found it to be a useful application to install. For the most part, I like Open Shell. But there is one issue that is bugging me that I can't seem to work around. In a Windows Explorer window, there is a Search box. Normally, past Explorer searches are retained and can be...