This PC cannot be reached or the Computer Name has been entered incorrectly.
Please make sure you have entered the Computer Name correctly and try again.
Please make sure you have the required privileges to access the WMI repository on this PC.
Neither Rctrlx nor PSExec can be found in the System Path. The folders within your System Path are as below:
PSExec -
http://technet.microsoft.com/en-us/sysinternals/bb897553.aspx
Rctrlx -
http://sites.google.com/site/4utils/projects