Thank you, Durga!
Actually, DDD installer has successfully checked all necessary programs. I am running MS Office 2010 Pro (pls see below), with all latest updates.
However, two other computers are running MS Office 2013. Frankly, I prefer not to purchase additional MS Office package. May we try the trace prior buying the next MS Office license? – I killed the X...exe process a few times, restarted DDD, and after 12-hours – still nothing...
Thanks,
Igor