NVIDIA has released hotfix display driver version 466.74. Based on its latest Game Ready Driver 466.63, NVIDIA’s new hotfix addresses a DPC Watchdog Violation error that may occur on systems leveraging GeForce GTX 600/700/16 and GeForce RTX 20 Series graphics cards. Users who have experienced this type of crash on their Kepler/Turing GPUs can download the 466.74 hotfix via the links below.
The hotfix addresses the following issue:
- [Kepler/Turing]:DCP WATCHDOG VIOLATION error may occur on some systems with GeForce GTX 600/700/16 and GeForce RTX 20 series GPUs 
Source: NVIDIA Support