An access violation occurs during system startup when the pen service (Wisptis.exe) is configured on a computer that is running Windows Vista or Windows Server 2008
Consider the following scenario. You configure a computer that is running Windows Vista or Windows Server 2008 to use the pen service (Wisptis.exe). Then, you restart the computer. In this scenario, an access violation occurs during startup. When the access violation occurs, the Wisptis.exe process exits, and you receive an error message that resembles the following:
Microsoft Tablet PC Input Component was closed
To help protect your computer, Data Execution Prevention has closed Microsoft Tablet PC Input Component. Click to learn more.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB957405.