Got it!

Harmony has a device called Windows Media Center SE that has a lot of keyboard shortcuts that I haven't seen anywhere else [Link: forums.logitech.com]

I loaded this device into my Harmony remote, then used my Pronto to learn the IR.  Tested good for my IR receiver.

WIN-D

0000 006F 0000 0021 0068 000B 000B 000D 0017 0018 000B 000C 000C 000C 000A 000B 000C 000B 000C 000C 0017 0018 0018 000B 000C 0017 000B 000D 000A 000C 000B 000B 000C 000C 000C 000A 000B 000B 000C 000C 000C 000A 000B 000C 000B 000C 000C 000A 000B 000C 0018 000A 000B 000B 000C 0017 000C 000B 000B 000C 000C 000B 0017 0017 000B 000C 000B 000B 000D 0AC7

Dan