diff --git a/Sources/GameMP/Computer.cpp b/Sources/GameMP/Computer.cpp
index a4d84e0..2316cf4 100644
--- a/Sources/GameMP/Computer.cpp
+++ b/Sources/GameMP/Computer.cpp
@@ -851,7 +851,7 @@ static void ComputerOn(void)
   _ppenPlayer->GetStats(_strStatsDetails, CST_DETAIL, _ctTextCharsPerRow);
 
   // if end of level
-  if (_ppenPlayer!=NULL && _ppenPlayer->m_bEndOfLevel || _pNetwork->IsGameFinished()) {
+  if (_ppenPlayer->m_bEndOfLevel || _pNetwork->IsGameFinished()) {
     // select statistics
     _cmtWantedType = CMT_STATISTICS;
   // if not end of level
diff --git a/Sources/LWSkaExporter/ModelerMeshExporter.cpp b/Sources/LWSkaExporter/ModelerMeshExporter.cpp
index ad3d752..cb55ee8 100644
--- a/Sources/LWSkaExporter/ModelerMeshExporter.cpp
+++ b/Sources/LWSkaExporter/ModelerMeshExporter.cpp
@@ -413,13 +413,13 @@ void ExportMesh_modeler(int iFaceForward) {
 	char fnmOut[256];
 	char *strFileName;
 
-	_state = _meshEditOperations->state; 
-
 	if (_meshEditOperations == NULL) {
-		_msg->error("Error!","Error _meshEditOperations is NULL!");
+		_msg->error("Error!", "Error _meshEditOperations is NULL!");
 		return;
 	}
 
+	_state = _meshEditOperations->state; 
+
   _ctPntIDs = _meshEditOperations->pointCount(_state,OPLYR_FG,EDCOUNT_ALL);
 	_ctPolIDs = _meshEditOperations->polyCount(_state,OPLYR_FG,EDCOUNT_ALL);
 
@@ -438,6 +438,7 @@ void ExportMesh_modeler(int iFaceForward) {
 	_fpOutput = fopen(fnmOut, "w");
   if (_fpOutput==NULL) {
     msgbox_modeler(_xpanf, "Can't open file!");
+	return;
   }
 
   // write the mesh header
diff --git a/Sources/WorldEditor/ToolTipWnd.cpp b/Sources/WorldEditor/ToolTipWnd.cpp
index e996e64..a22c2b8 100644
--- a/Sources/WorldEditor/ToolTipWnd.cpp
+++ b/Sources/WorldEditor/ToolTipWnd.cpp
@@ -135,8 +135,8 @@ void CToolTipWnd::OnPaint()
   dc.SetTextColor( colInk);
   
   CDC *pDC = GetDC();
+  if (pDC == NULL) return;
   pDC->SelectObject( &theApp.m_FixedFont);
-  if( pDC == NULL) return;
   
   INDEX ctLines = GetLinesCount();
   for(INDEX iLine = 0; iLine<ctLines; iLine++)
diff --git a/Sources/WorldEditor/WorldEditorView.cpp b/Sources/WorldEditor/WorldEditorView.cpp
index 1741198..908324e 100644
--- a/Sources/WorldEditor/WorldEditorView.cpp
+++ b/Sources/WorldEditor/WorldEditorView.cpp
@@ -9030,9 +9030,10 @@ void CWorldEditorView::OnPreviousMipBrush()
 {
   CMainFrame* pMainFrame = STATIC_DOWNCAST(CMainFrame, AfxGetMainWnd());
   CEntity *penBrush = pMainFrame->m_CSGDesitnationCombo.GetSelectedBrushEntity();
-  CBrush3D &brBrush = *penBrush->en_pbrBrush;
 
-  if (penBrush==NULL) return;
+  if (penBrush == NULL) return;
+
+  CBrush3D &brBrush = *penBrush->en_pbrBrush;
 
   // remember current time as time when last mip brushing option has been used
   _fLastMipBrushingOptionUsed = _pTimer->GetRealTimeTick();