"Your computer cannot connect to the remote computer because an error occurred on the remote computer you want to connect to. Contact your network administrator for assistance"
Some older windows 7 machines and some upgraded Win 10 machines that have not been fully updated may experience this issue. Be sure you are on at least RDP version 8.1.
The update you need to resolve this is KB3140245. It can be found via Windows Update or downloaded direct from the Windows Update Catalog, here:
After all updates are applied, if you still have an issue connecting, download and run the MS EasyFix also. The direct link to the “EasyFix” is here: