diff --git a/rosapps/devutils/gdihv/handlelist.c b/rosapps/devutils/gdihv/handlelist.c
index bb6ba17b28a..cc2a10d41b9 100644
--- a/rosapps/devutils/gdihv/handlelist.c
+++ b/rosapps/devutils/gdihv/handlelist.c
@@ -32,31 +32,31 @@ HandleList_Create(HWND hListCtrl)
 
 	column.pszText = L"Number";
 	column.cx = 50;
-	ListView_InsertColumn(hListCtrl, 0, &column);
+	(void)ListView_InsertColumn(hListCtrl, 0, &column);
 
 	column.pszText = L"Index";
-	column.cx = 50;
-	ListView_InsertColumn(hListCtrl, 1, &column);
+	column.cx = 45;
+	(void)ListView_InsertColumn(hListCtrl, 1, &column);
 
 	column.pszText = L"Handle";
 	column.cx = 90;
-	ListView_InsertColumn(hListCtrl, 2, &column);
+	(void)ListView_InsertColumn(hListCtrl, 2, &column);
 
 	column.pszText = L"Type";
-	column.cx = 90;
-	ListView_InsertColumn(hListCtrl, 3, &column);
+	column.cx = 80;
+	(void)ListView_InsertColumn(hListCtrl, 3, &column);
 
 	column.pszText = L"Process";
-	column.cx = 90;
-	ListView_InsertColumn(hListCtrl, 4, &column);
+	column.cx = 80;
+	(void)ListView_InsertColumn(hListCtrl, 4, &column);
 
 	column.pszText = L"KernelData";
-	column.cx = 90;
-	ListView_InsertColumn(hListCtrl, 5, &column);
+	column.cx = 80;
+	(void)ListView_InsertColumn(hListCtrl, 5, &column);
 
 	column.pszText = L"UserData";
-	column.cx = 90;
-	ListView_InsertColumn(hListCtrl, 6, &column);
+	column.cx = 80;
+	(void)ListView_InsertColumn(hListCtrl, 6, &column);
 
 	HandleList_Update(hListCtrl, 0);
 }
@@ -70,7 +70,7 @@ HandleList_Update(HWND hHandleListCtrl, HANDLE ProcessId)
 	TCHAR strText[80];
 	TCHAR* str2;
 
-	ListView_DeleteAllItems(hHandleListCtrl);
+	(void)ListView_DeleteAllItems(hHandleListCtrl);
 	item.mask = LVIF_TEXT|LVIF_PARAM;
 	item.pszText = strText;
 	item.cchTextMax = 80;
@@ -86,7 +86,7 @@ HandleList_Update(HWND hHandleListCtrl, HANDLE ProcessId)
 				item.iSubItem = 0;
 
 				wsprintf(strText, L"%d", index);
-				ListView_InsertItem(hHandleListCtrl, &item);
+				(void)ListView_InsertItem(hHandleListCtrl, &item);
 
 				wsprintf(strText, L"%d", i);
 				ListView_SetItemText(hHandleListCtrl, index, 1, strText);
diff --git a/rosapps/devutils/gdihv/mainwnd.c b/rosapps/devutils/gdihv/mainwnd.c
index a13e5eee9f7..3241877bbc4 100644
--- a/rosapps/devutils/gdihv/mainwnd.c
+++ b/rosapps/devutils/gdihv/mainwnd.c
@@ -64,7 +64,7 @@ MainWindow_WndProc(HWND hMainWnd, UINT message, WPARAM wParam, LPARAM lParam)
 					memset(&item, 0, sizeof(LV_ITEM));
 					item.mask = LVIF_PARAM;
 					item.iItem = ListView_GetSelectionMark(hProcessListCtrl);
-					ListView_GetItem(hProcessListCtrl, &item);
+					(void)ListView_GetItem(hProcessListCtrl, &item);
 					HandleList_Update(GetDlgItem(hMainWnd, IDC_HANDLELIST), (HANDLE)item.lParam);
 					break;
 				}
@@ -91,7 +91,7 @@ MainWindow_WndProc(HWND hMainWnd, UINT message, WPARAM wParam, LPARAM lParam)
 				memset(&item, 0, sizeof(LV_ITEM));
 				item.mask = LVIF_PARAM;
 				item.iItem = ((LPNMLISTVIEW)lParam)->iItem;
-				ListView_GetItem(GetDlgItem(hMainWnd, IDC_PROCESSLIST), &item);
+				(void)ListView_GetItem(GetDlgItem(hMainWnd, IDC_PROCESSLIST), &item);
 				HandleList_Update(GetDlgItem(hMainWnd, IDC_HANDLELIST), (HANDLE)item.lParam);
 				return TRUE;
 				break;
diff --git a/rosapps/devutils/gdihv/proclist.c b/rosapps/devutils/gdihv/proclist.c
index 27d3f8c8246..eff0b7a2ade 100644
--- a/rosapps/devutils/gdihv/proclist.c
+++ b/rosapps/devutils/gdihv/proclist.c
@@ -32,11 +32,11 @@ ProcessList_Create(HWND hListCtrl)
 
 	column.pszText = L"Process";
 	column.cx = 90;
-	ListView_InsertColumn(hListCtrl, 0, &column);
+	(void)ListView_InsertColumn(hListCtrl, 0, &column);
 
 	column.pszText = L"ProcessID";
 	column.cx = 90;
-	ListView_InsertColumn(hListCtrl, 1, &column);
+	(void)ListView_InsertColumn(hListCtrl, 1, &column);
 	ProcessList_Update(hListCtrl);
 }
 
@@ -49,7 +49,7 @@ ProcessList_Update(HWND hListCtrl)
 	WCHAR strText[MAX_PATH] = L"<unknown>";
 	INT i;
 
-	ListView_DeleteAllItems(hListCtrl);
+	(void)ListView_DeleteAllItems(hListCtrl);
 	memset(&item, 0, sizeof(LV_ITEM));
 	item.mask = LVIF_TEXT|LVIF_PARAM;
 	item.pszText = strText;
@@ -58,7 +58,7 @@ ProcessList_Update(HWND hListCtrl)
 	item.iItem = 0;
 	item.lParam = 0;
 	item.pszText = L"<Kernel>";
-	ListView_InsertItem(hListCtrl, &item);
+	(void)ListView_InsertItem(hListCtrl, &item);
 	item.pszText = strText;
 	wsprintf(strText, L"%#08x", 0);
 	ListView_SetItemText(hListCtrl, 0, 1, strText);
@@ -80,13 +80,13 @@ ProcessList_Update(HWND hListCtrl)
 
 		hProcess = 0;
 		/* FIXME: HACK: ROS crashes when using OpenProcess with PROCESS_VM_READ */
-//		hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, ProcessIds[i]);
+		hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, ProcessIds[i]);
 		if (hProcess)
 		{
 			GetModuleBaseName(hProcess, NULL, (LPWSTR)strText, MAX_PATH );
 			CloseHandle(hProcess);
 		}
-		ListView_InsertItem(hListCtrl, &item);
+		(void)ListView_InsertItem(hListCtrl, &item);
 
 		wsprintf(strText, L"%#08x", ProcessIds[i]);
 		ListView_SetItemText(hListCtrl, item.iItem, 1, strText);