Have you tried to right click and "Run as Administrator"?
Yes and when I do that I get another error:
: The term '.\NemosMiner-v2.3.ps1' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the
path is correct and try again.
At line:1 char:2
+ &.\NemosMiner-v2.3.ps1 -SelGPUDSTM '0' -SelGPUCC '0' -Currency EUR -P ...
+ ~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : ObjectNotFound: (.\NemosMiner-v2.3.ps1:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException