diff --git a/src/game/client/c_baseanimating.h b/src/game/client/c_baseanimating.h
index d82ae85f9..043945d48 100644
--- a/src/game/client/c_baseanimating.h
+++ b/src/game/client/c_baseanimating.h
@@ -81,7 +81,7 @@ class CAttachmentData
 	QAngle	m_angRotation;
 	Vector	m_vOriginVelocity;
 	int		m_nLastFramecount : 31;
-	int		m_bAnglesComputed : 1;
+	bool	m_bAnglesComputed : true;
 };
 
 
diff --git a/src/game/client/swarm/gameui/cvarslider.cpp b/src/game/client/swarm/gameui/cvarslider.cpp
index 60c334700..edaa4cd85 100644
--- a/src/game/client/swarm/gameui/cvarslider.cpp
+++ b/src/game/client/swarm/gameui/cvarslider.cpp
@@ -262,7 +262,7 @@ void CCvarSlider::Reset()
 	    m_iLastSliderValue = m_iStartValue;
 		return;
 	}
-	float m_fStartValue = var.GetFloat();
+	m_fStartValue = var.GetFloat();
     m_fCurrentValue = m_fStartValue;
 
     int value = (int)( CVARSLIDER_SCALE_FACTOR * m_fStartValue );
diff --git a/src/game/client/viewrender.cpp b/src/game/client/viewrender.cpp
index 3f62ae5df..91ea3203f 100644
--- a/src/game/client/viewrender.cpp
+++ b/src/game/client/viewrender.cpp
@@ -5131,7 +5131,10 @@ bool DrawingShadowDepthView( void ) //for easy externing
 {
 	return (CurrentViewID() == VIEW_SHADOW_DEPTH_TEXTURE);
 }
-						  
+
+#ifdef _WIN32
+#pragma warning (disable:4456) // hide 'declaration of 'VProf_' hides previous local declaration'
+#endif
 //-----------------------------------------------------------------------------
 // 
 //-----------------------------------------------------------------------------
@@ -5220,6 +5223,9 @@ void CShadowDepthView::Draw()
 #endif
 }
 
+#ifdef _WIN32
+#pragma warning (default:4456)
+#endif
 
 //-----------------------------------------------------------------------------
 // 
diff --git a/src/game/server/ai_basenpc_schedule.cpp b/src/game/server/ai_basenpc_schedule.cpp
index cbf58df26..78d27b82e 100644
--- a/src/game/server/ai_basenpc_schedule.cpp
+++ b/src/game/server/ai_basenpc_schedule.cpp
@@ -2167,8 +2167,7 @@ void CAI_BaseNPC::StartTask( const Task_t *pTask )
 													AIN_DEF_FLAGS,
 													m_hStoredPathTarget );
 
-							// TODO: is this a bug? why goal and not coverGoal?
-							foundPath = GetNavigator()->SetGoal( goal );
+							foundPath = GetNavigator()->SetGoal( coverGoal );
 
 							m_flMoveWaitFinished = gpGlobals->curtime + pTask->flTaskData;
 						}
diff --git a/src/game/server/nav_generate.cpp b/src/game/server/nav_generate.cpp
index d55cc001d..42363c11e 100644
--- a/src/game/server/nav_generate.cpp
+++ b/src/game/server/nav_generate.cpp
@@ -1596,7 +1596,6 @@ static bool testStitchConnection( CNavArea *source, CNavArea *target, const Vect
 	else
 	{
 		// test going up ClimbUpHeight
-		bool success = false;
 		for ( float height = StepHeight; height <= ClimbUpHeight; height += 1.0f )
 		{
 			trace_t tr;