myQuery = "Select * from CIM_DataFile Where Drive = 'C:' AND Path = '\Users\someguy\Documents\' AND FileName = 'Default' AND Extension = 'rdp'";

options = new ConnectionOptions();
options.Username = myUsername;
options.Password = myPassword;
options.Authority = "ntlmdomain:MYDOMAIN";
scope = new ManagementScope("\\REMOTEMACHINE\root\CIMV2", options);
scope.Connect();
searcher = new ManagementObjectSearcher(scope, new ObjectQuery(myQuery));
myResults = searcher.Get();

pathPath.Replace("\", "\\");

pathPath = pathPath.Replace("\", "\\");