Unknown Error on CUDA Toolkit Install

That’s it.

When attempting to install CUDA Toolkit, after extraction installer fails with “Unknown Error”.

Windows 10 Pro 64 Bit
Both Local and Network fail with same error.
390.65 Driver already installed.

you’ll need to find the installer logs and see if you can get any clues from that.

this thread gives a general example:


Oddly enough, running with logging caused the error to go away.

Not sure what the issue was.