I also get the same error message on startup. It looks like some sort of permissions thing, but I have no idea where to start looking. And like Samo above, on each restart it creates a new directory.
I’m attaching screenshots of the error message on start up and the extra directories.
My environment:
– Win 7 64 bit
– NoMachine 4.6.12_1 (Free)
– Logged on to my machine as a domain user