Index: src/libchcore/TTaskStatsSnapshot.cpp
===================================================================
diff -u -N -re96806b7f8ff7ca7e9f4afbea603e6351a3dc3e3 -rcadc78491ac98e5f21d395aa25578cdd740ce819
--- src/libchcore/TTaskStatsSnapshot.cpp	(.../TTaskStatsSnapshot.cpp)	(revision e96806b7f8ff7ca7e9f4afbea603e6351a3dc3e3)
+++ src/libchcore/TTaskStatsSnapshot.cpp	(.../TTaskStatsSnapshot.cpp)	(revision cadc78491ac98e5f21d395aa25578cdd740ce819)
@@ -105,11 +105,12 @@
 			m_dTaskSizeSpeed += spSubtaskStats->GetSizeSpeed();
 		}
 
-		// we're treating each of the items as 512B object to process
+		// we're treating each of the items as 4096 bytes object to process
 		// to have some balance between items' count and items' size in
 		// progress information
-		unsigned long long ullProcessed = 512ULL * m_ullProcessedCount + m_ullProcessedSize;
-		unsigned long long ullTotal = 512ULL * m_ullTotalCount + m_ullTotalSize;
+		const unsigned long long ullSectorSize = 4096;
+		unsigned long long ullProcessed = ullSectorSize * m_ullProcessedCount + m_ullProcessedSize;
+		unsigned long long ullTotal = ullSectorSize * m_ullTotalCount + m_ullTotalSize;
 
 		if (ullTotal != 0)
 			m_dCombinedProgress = Math::Div64(ullProcessed, ullTotal);