Your System event log contains:
<b>Event Type: Error
Event Source: TermServDevices
Event Category: None
Event ID: 1100
Date: mm.dd.yyyy
Time: hh:mm:ss
Description: Initialization of Notify Failed.</b>
This is caused because the Spooler service has stopped.

To fix the problem, either

Start the Spooler service

                OR

prevent the error by using Regedt32 to navigate to:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TerminalServer\Wds\rdpwd

On the Edit menu, Add Value name fEnablePrintRDR, as a REG_DWORD data type. Set the data value to 0.