diff --git a/src/reporting_thread.cpp b/src/reporting_thread.cpp
index 107c7ca..2132575 100644
--- a/src/reporting_thread.cpp
+++ b/src/reporting_thread.cpp
@@ -8,6 +8,7 @@
 #include <QCoreApplication>
 
 #include <cmath>
+#include <algorithm>
 
 ReportingThread::ReportingThread(hwapi *hw)
   : m_hw(hw)
@@ -99,14 +100,27 @@ void ReportingThread::run() {
 
 #endif
 
-    uint16_t const totalBlocks = m_hw->dcDownloadGetTotalBlockNumber();
+    uint16_t totalBlocks = m_hw->dcDownloadGetTotalBlockNumber();
+    cnt = 10;
+    while(--cnt > 0 && totalBlocks == 0) {
+        totalBlocks = m_hw->dcDownloadGetTotalBlockNumber();
+        qCritical() << QDateTime::currentDateTime() << __PRETTY_FUNCTION__
+                    << QString("line=%1 TOTAL BLOCKS=%2 (%3)")
+                        .arg(__LINE__).arg(totalBlocks).arg(cnt);
+        QThread::sleep(1);
+    }
 
-    qCritical() << QDateTime::currentDateTime() << "TOTAL BLOCKS" << totalBlocks;
+    qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODate) << __PRETTY_FUNCTION__
+                << QString("line=%1 TOTAL BLOCKS=%2").arg(__LINE__).arg(totalBlocks);
 
     if (totalBlocks) {
         QDateTime const start = QDateTime::currentDateTime();
         uint16_t currentBlockNumber = 0;
         uint16_t prevBlockNumber = ~0;
+        uint64_t estimatedMinutesLeftMax = ~0ULL;
+        uint64_t estimatedSecondsLeftMax = ~0ULL;
+        uint64_t estimatedMinutesLeftPrev = 0;
+        uint64_t estimatedSecondsLeftPrev = 0;
 
         while (m_hw->dcDownloadGetRunning()) {
             currentBlockNumber = m_hw->dcDownloadGetCurrentBlockNumber();
@@ -114,24 +128,48 @@ void ReportingThread::run() {
                 double durationSecs = start.secsTo(QDateTime::currentDateTime());
 
                 double const timeAveragePerBlock = (currentBlockNumber > 0) ? (durationSecs / currentBlockNumber) : durationSecs;
-                long estimatedSecondsLeft = lround((timeAveragePerBlock * (totalBlocks - currentBlockNumber)));
-                long estimatedMinutesLeft =
+                uint64_t estimatedSecondsLeft = lround((timeAveragePerBlock * (totalBlocks - currentBlockNumber)));
+                uint64_t estimatedMinutesLeft =
                     ((estimatedSecondsLeft % 60) == 0) ?
                         (estimatedSecondsLeft / 60) :
                             ((estimatedSecondsLeft + 60) / 60);
+
                 estimatedSecondsLeft = (estimatedSecondsLeft % 60);
 
-                double percent = ((double)currentBlockNumber / (double)totalBlocks) * 100.0;
-                report = QString(": total blocks %1, current block %2 [%3] (est. time left: %4min %5s)")
-                            .arg(totalBlocks)
-                            .arg(currentBlockNumber)
-                            .arg(percent, 0, 'f', 2)
-                            .arg(estimatedMinutesLeft)
-                            .arg(estimatedSecondsLeft, 2);
+                if ((estimatedMinutesLeft <= estimatedMinutesLeftMax)
+                 || (estimatedSecondsLeft <= estimatedSecondsLeftMax)) {
+                    estimatedMinutesLeftMax = estimatedMinutesLeft;
+                    estimatedSecondsLeftMax = estimatedSecondsLeft;
+                    estimatedMinutesLeftPrev = estimatedMinutesLeft;
+                    estimatedSecondsLeftPrev = estimatedSecondsLeft;
 
-                qCritical() << m_hw << "RT report" << report;
+                    double percent = ((double)currentBlockNumber / (double)totalBlocks) * 100.0;
+                    report = QString(": total blocks %1, current block %2 [%3] (est. time left: %4min %5s)")
+                                .arg(totalBlocks)
+                                .arg(currentBlockNumber)
+                                .arg(percent, 0, 'f', 2)
+                                .arg(estimatedMinutesLeft)
+                                .arg(estimatedSecondsLeft, 2);
 
-                emit m_hw->hwapi_reportDCDownloadStatus(report);
+                    qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODate)
+                                << QString("line=%1: RT report").arg(__LINE__) << report;
+
+                    emit m_hw->hwapi_reportDCDownloadStatus(report);
+
+                } else {
+                    double percent = ((double)currentBlockNumber / (double)totalBlocks) * 100.0;
+                    report = QString(": total blocks %1, current block %2 [%3] (est. time left: %4min %5s)")
+                                .arg(totalBlocks)
+                                .arg(currentBlockNumber)
+                                .arg(percent, 0, 'f', 2)
+                                .arg(estimatedMinutesLeftPrev)
+                                .arg(estimatedSecondsLeftPrev, 2);
+
+                    qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODate)
+                                << QString("line=%1: RT report").arg(__LINE__) << report;
+
+                    emit m_hw->hwapi_reportDCDownloadStatus(report);
+                }
 
                 prevBlockNumber = currentBlockNumber;
             }
@@ -150,7 +188,7 @@ void ReportingThread::run() {
         }
     }
 
-    qCritical() << QDateTime::currentDateTime() << __PRETTY_FUNCTION__
+    qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODate) << __PRETTY_FUNCTION__
                 << QString("line=%1 REPORT THREAD ABOUT TO FINISH").arg(__LINE__);
 
     cnt = 10;