Since this last update or what ever you call it, my
Witcher 3 game doesn't funciton like it should. No longer can I loot the items I need for quest, and even when there in no looting such as killing the lighthouse wraith , can't complete the contract, or even read the letter while doing the mission. What happened?????

You probably should be over here as that's the support forum for the game:

https://www.gog.com/forum/the_witcher_3_wild_hunt

Good luck