So if I am reading this response correctly you are saying I shouldn't be having a problem?
I adjusted the browser to what you used in the example: XnView v1.96.1 (Tools » Options » Browser » Thumbnails » Appearance » [×] Use high quality, 120×120px)
Thank you for your response. I had previously read that posting but it appeared it had to do with opening PSP documents. I do not have that problem - my problem is seeing them in the browser. As I browse that posting I see a question as to whether the writer has the Thumbnail Handler installed on ...
Norton wasn't happy about it but I was able to download the shell extention 2.6.0 64 bit. I also installed Xnview 1.96 however I'm still unable to see all of my PSP thumbnails in the XnView Brower. I can open them without a problem I just cannot see the thumbnail ...