Many people have associated these crashes with items; not specific Items, but rather that the crashes would often occur just as the player was running up to see a piece of loot, commonly in sheds. Other times the game would crash while a player was interacting with inventory, or attempting to drink a soda. Sometimes two players would crash within moments of another, regardless of their proximity to one-another; but more frequently, one of a few players would crash by themself, and the group would have random cascading crashes of one player at a time.

x64 client was used throughout.

This should maybe be in a separate bug report, but it was common to see both players arrive naked, as they came to pick you up in a vehicle. Invariably, seeing people naked would precede "bugged hands" and require the player to log out to fix this.
Commonly, the act of logging out under these conditions would precipitate a crash.

I had a game freeze that couldn't be exited without a PC shutdown. And discovered that i had missed a video driver update.
While the frozen screen slideshow crash didn't happen again, the memory leaks were still as common as ever.