diff --git a/contrib/ethereum/libethash/ethash/progpow.hpp b/contrib/ethereum/libethash/ethash/progpow.hpp
index 8add7d4d..f7768778 100644
--- a/contrib/ethereum/libethash/ethash/progpow.hpp
+++ b/contrib/ethereum/libethash/ethash/progpow.hpp
@@ -14,11 +14,11 @@ namespace progpow
 {
 using namespace ethash;  // Include ethash namespace.
 
-constexpr int period_length = 50;
+constexpr int period_length = 10;
 constexpr uint32_t num_regs = 32;
 constexpr size_t num_lanes = 16;
-constexpr int num_cache_accesses = 12;
-constexpr int num_math_operations = 20;
+constexpr int num_cache_accesses = 11;
+constexpr int num_math_operations = 18;
 constexpr size_t l1_cache_size = 16 * 1024;
 constexpr size_t l1_cache_num_items = l1_cache_size / sizeof(uint32_t);
 
diff --git a/src/currency_core/miner.cpp b/src/currency_core/miner.cpp
index ad73b771..afb77055 100644
--- a/src/currency_core/miner.cpp
+++ b/src/currency_core/miner.cpp
@@ -348,8 +348,9 @@ namespace currency
 
       if(check_hash(h, local_diff))
       {
+        b.nonce = nonce;
         ++m_config.current_extra_message_index;
-        LOG_PRINT_GREEN("Found block for difficulty: " << local_diff, LOG_LEVEL_0);
+        LOG_PRINT_GREEN("Found block for difficulty: " << local_diff << ", height: " << local_height << ", PoW hash: " << h << ", local_blob_data_hash: " << local_blob_data_hash << ", nonce: " << std::hex << nonce, LOG_LEVEL_0);
         if(!m_phandler->handle_block_found(b))
         {
           --m_config.current_extra_message_index;
diff --git a/utils/configure_win64_msvs2015_gui.cmd b/utils/configure_win64_msvs2015_gui.cmd
index 07884551..73e44d17 100644
--- a/utils/configure_win64_msvs2015_gui.cmd
+++ b/utils/configure_win64_msvs2015_gui.cmd
@@ -4,4 +4,4 @@ cd ..
 @mkdir build_msvc2015_64
 cd build_msvc2015_64
 
-cmake -D USE_PCH=TRUE -D BUILD_TESTS=TRUE -D CMAKE_PREFIX_PATH="%QT_PREFIX_PATH%"\msvc2015_64 -D BUILD_GUI=TRUE -D USE_OPENCL=TRUE -D STATIC=FALSE -DBOOST_ROOT="%BOOST_ROOT%" -DBOOST_LIBRARYDIR="%BOOST_ROOT%\lib64-msvc-14.0" -G "Visual Studio 14 2015 Win64" -T host=x64 ".."
\ No newline at end of file
+cmake -D USE_PCH=TRUE -D BUILD_TESTS=TRUE -D CMAKE_PREFIX_PATH="%QT_PREFIX_PATH%"\msvc2015_64 -D BUILD_GUI=TRUE -D STATIC=FALSE -DBOOST_ROOT="%BOOST_ROOT%" -DBOOST_LIBRARYDIR="%BOOST_ROOT%\lib64-msvc-14.0" -G "Visual Studio 14 2015 Win64" -T host=x64 ".."
\ No newline at end of file
diff --git a/utils/configure_win64_msvs2017_gui.cmd b/utils/configure_win64_msvs2017_gui.cmd
index a104a1fa..fe6e3eea 100644
--- a/utils/configure_win64_msvs2017_gui.cmd
+++ b/utils/configure_win64_msvs2017_gui.cmd
@@ -4,4 +4,4 @@ cd ..
 @mkdir build_msvc2017_64
 cd build_msvc2017_64
 
-cmake -D USE_PCH=TRUE -D BUILD_TESTS=TRUE -D CMAKE_PREFIX_PATH="%QT_PREFIX_PATH%"\msvc2017_64 -D BUILD_GUI=TRUE -D USE_OPENCL=TRUE -D STATIC=FALSE -DBOOST_ROOT="%BOOST_ROOT%" -DBOOST_LIBRARYDIR="%BOOST_ROOT%\lib64-msvc-14.1" -G "Visual Studio 15 2017 Win64" -T host=x64 ".."
\ No newline at end of file
+cmake -D USE_PCH=TRUE -D BUILD_TESTS=TRUE -D CMAKE_PREFIX_PATH="%QT_PREFIX_PATH%"\msvc2017_64 -D BUILD_GUI=TRUE -D STATIC=FALSE -DBOOST_ROOT="%BOOST_ROOT%" -DBOOST_LIBRARYDIR="%BOOST_ROOT%\lib64-msvc-14.1" -G "Visual Studio 15 2017 Win64" -T host=x64 ".."
\ No newline at end of file