For those who keep saying to select the file first; click the show preview, etc, etc, I am well aware of what should work and I have been struggling with this problem ever since Microsoft update 3 or 4 months ago.
I had previews, and used that function a lot before the update then previews were...
Prior to the last two Windows updates, I (and many others) could see a preview of a pdf file in Explorer. This is no longer possible.
I have carried out a lot of research on line and have installed/reinstalled Acrobat (5 different versions) and downloaded other pdf programs.
I have selected all...