Thanks. Makes sense. But how did my WIFI drive change its installation status? Could this be due to installing a new router?

Same here. Now you see it (when 10 installed); now you don't. What gives?

I had the same problem, so I tried a solution that had been suggested for previous versions of Windows. It seems to work.

In regedit, go to HKEY_CLASSES_ROOT\lnkfile. In the right column, change...