after this
I tried the following settings:  going to File > Settings and uncheck the box for "Let Armory run Bitcoin Core in the background". Then Stop Armory and start Bitcoin Core and Armory manually.

I get this Info

ERROR - 1486565046: (..\BlockDataMap.cpp:81)    block yields: 605dab8dc7bfc8f90128357807b0f4da269edb32d14cb5395a96792b52a6301d
-ERROR - 1486565046: (..\DatabaseBuilder.cpp:353) block deser except: invalid merkle root
-INFO  - 1486565046: (..\DatabaseBuilder.cpp:268) parsed block file #278
-DEBUG - 1486565047: (..\Blockchain.cpp:242) Organizing chain
-INFO  - 1486565195: (..\DatabaseBuilder.cpp:56) updated HEADERS db in 193.087s
-INFO  - 1486565195: (..\BlockUtils.cpp:1636) Enabling zero-conf tracking
-ERROR - 1486565195: (..\BlockDataMap.cpp:79) merkle root mismatch!
-ERROR - 1486565195: (..\BlockDataMap.cpp:80)    header has: 74e2b0169a6fe4d8bf17c59babd5ba31871acd1c2e7437c77cae9512b945f5e2
-ERROR - 1486565195: (..\BlockDataMap.cpp:81)    block yields: 605dab8dc7bfc8f90128357807b0f4da269edb32d14cb5395a96792b52a6301d
-ERROR - 1486565195: (..\DatabaseBuilder.cpp:353) block deser except: invalid merkle root