"-no-deelevate" as user_pref() ? For PortableApps Firefox?
As you know it is NOT possible (any more) to drag & drop URLs from Firefox to Windows Explorer in newer Firefox any more.
As a solution serves the commandline flag "-no-deelevate".
So when users call
D:\tools\firefox.exe -no-deelevate
Drag & Drop is possible again.
Ok, now I installed Firefox Portable from PortableApps:
https://portableapps.com/de/apps/intern ... x_portable