Thanks so much for this tip, as I hv been trying to figure out what suddenly went wrong with my WhatsApp dual messenger, unable to open pdfs not share some videos.This has happened after I applied that latest Android update (Security patch level of 1...

Thanks very much for the practical solution. Incidentally, my dual Messenger (on Galaxy Note 9) was working beautifully, Only 1 week, there came this irritating Samsung update and after applying it, all these irritating issues surfaced.