I think this is your problem:
You either need to quote the backslashes (i.e. double them C:\\path\\...) or make them forward slashes (i.e. `C://path/…), both directions are valid in Windows.
I think this is your problem:
You either need to quote the backslashes (i.e. double them C:\\path\\...) or make them forward slashes (i.e. `C://path/…), both directions are valid in Windows.