====== Data Execution Prevention (DEP) ======
DEP can be turned on for Windows applications but cannot be enabled for all applications, otherwise the telephony server will fail.

Use the command line to check DEP settings:

  wmic OS Get DataExecutionPrevention_SupportPolicy

  - Returns 0 = OptIn (default).
  - Returns 1 = OptOut.
  - Returns 2 = AlwaysOn.
  - Returns 3 = AlwaysOff.