Usage is simple: Just close down every application/driver control panel that can use NVML, then run the .exe file.
After that you can continue to mine with any miner without a reboot. Enjoy.
Download: https://static-ssl.minerstat.farm/miners/windows/nvmlpatch.zip
Update 1
Issue still exits with 460.89 drivers, method tested and working with that version too
Troubleshooting
If you get System.UnauthorizedAccessException error or similar, you can try:
1) Close down Afterburner, Nvidia/AMD control panel, and any software that could be using that file.
2) Run as Admin.
If this won't solve the issue, you can navigate to: C:\Program Files\NVIDIA Corporation\NVSMI\ and manually replace all files there from the package lib folder that you have downloaded.
Reasons
I was hoping for more technical details about the problem and what the fix does but thanks anyway.
related to the latest Nvidia drivers.
nvmlinit not working anymore and due that most of the miner software crashing on start.
this method/patcher upper solving this issue by mixing older driver files and copying them to the corresponding location.
without this: miner devs would need to update all software with a workaround nvmlinitwithflags (https://docs.nvidia.com/deploy/nvml-api/group__nvmlInitializationAndCleanup.html) to start again. This is a possible bug with the latest Nvidia drivers that will be or never going to be fixed.
The upper solution makes all software working again without crashes at launch.