Hello

i am playing Witcher 2 via GOG Galaxy 2.0 on my PC with the following specs:

OS: Windows 10 64 bit
CPU: AMD Ryzen 5 2600 (6x3,4 GHz)
GPU: GeForce GTX 1660
RAM: 16 GB
XBox One Wireless Controller

The game crashes without any message to desktop when i try to talk to NPCs or open doors (X on the Pad) I tried GOG Galaxys file check, but after a few minutes without problems it crashes again.

Plese help!

Best regards
Thomas

Try to play the game without using the Galaxy by launching its exe file on installation path to see any difference.
Also you can try to turn off the Galaxy overlay for the game by managing its installation inside the library.