The offending shortcut is a link to another network PC. That link appears in
the shortcut pane under "Recently Browsed". Since that link is not
technically a "shortcut", it cannot be removed (there is no "Remove Shortcut"
option when the link is right-clicked).
BUT there is a simple solution: I found and renamed the file
"OIScatalog.CAG" to "OIScatalog2.CAG". Then, when I opened Picture Manager
everything went back to original and the offending link (as well as "Recently
Browsed") was gone. I guess the same could be accomplished by editing the
file to remove the offending link. The app created a new OIScatalog.CAG file
for itself without any modifications.
Many thanks to Mary Sauer and Bob I. for their help in solving this very
annoying problem!! Now I have use of Picture Manager again (and I won't be
using it to browse pictures on other network PC's again)
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