diff --git a/apps/samples/list.cpp b/apps/samples/list.cpp
index 4924d67..fee660b 100644
--- a/apps/samples/list.cpp
+++ b/apps/samples/list.cpp
@@ -63,7 +63,7 @@ void _start() {
 					"Age", -1,                                // Its title string.
 					ES_LIST_VIEW_COLUMN_HAS_MENU              // Column header has a menu.
 					| ES_TEXT_H_RIGHT                         // Align the text in the column to the right.
-					| ES_DRAW_CONTENT_TABULAR                 // Use the tabular digits style, so that digits between items line up.
+					| ES_DRAW_CONTENT_TABULAR                 // Use the tabular digits style, so that digits line up between rows.
 					| ES_LIST_VIEW_COLUMN_FIXED_DATA_INTEGERS // We're storing integers in this column (the default is strings).
 					| ES_LIST_VIEW_COLUMN_FIXED_SORT_SIZE,    // The items in the column can be sorted by their size.
 					100);                                     // Initial width.
diff --git a/apps/system_monitor.cpp b/apps/system_monitor.cpp
index f3d2f23..efe9eac 100644
--- a/apps/system_monitor.cpp
+++ b/apps/system_monitor.cpp
@@ -26,6 +26,13 @@ struct Instance : EsInstance {
 #define DISPLAY_GENERAL_LOG (3)
 #define DISPLAY_MEMORY (12)
 
+#define PROCESSES_COLUMN_NAME    (0)
+#define PROCESSES_COLUMN_PID     (1)
+#define PROCESSES_COLUMN_MEMORY  (2)
+#define PROCESSES_COLUMN_CPU     (3)
+#define PROCESSES_COLUMN_HANDLES (4)
+#define PROCESSES_COLUMN_THREADS (5)
+
 const EsStyle styleMonospacedTextbox = {
 	.inherit = ES_STYLE_TEXTBOX_NO_BORDER,
 
@@ -156,7 +163,8 @@ void UpdateProcesses(Instance *instance) {
 
 	for (uintptr_t i = 0; i < previous.Length(); i++) {
 		if (!FindProcessByPID(processes, previous[i].data.pid)) {
-			EsListViewRemove(instance->listViewProcesses, 0, i, 1);
+			bool found = EsListViewFixedItemRemove(instance->listViewProcesses, previous[i].data.pid);
+			EsAssert(found);
 			previous.Delete(i--);
 		}
 	}
@@ -194,11 +202,21 @@ void UpdateProcesses(Instance *instance) {
 
 	for (uintptr_t i = 0; i < processes.Length(); i++) {
 		if (!FindProcessByPID(previous, processes[i].data.pid)) {
-			EsListViewInsert(instance->listViewProcesses, 0, i, 1);
+			EsListViewIndex index = EsListViewFixedItemInsert(instance->listViewProcesses, processes[i].data.pid);
+			EsAssert(index == (EsListViewIndex) i);
 		}
 	}
 
-	EsListViewInvalidateAll(instance->listViewProcesses);
+	for (uintptr_t i = 0; i < processes.Length(); i++) {
+		EsListViewFixedItemSetString (instance->listViewProcesses, i, PROCESSES_COLUMN_NAME,    processes[i].data.name, processes[i].data.nameBytes);
+		EsListViewFixedItemSetInteger(instance->listViewProcesses, i, PROCESSES_COLUMN_PID,     processes[i].data.pid);
+		EsListViewFixedItemSetInteger(instance->listViewProcesses, i, PROCESSES_COLUMN_MEMORY,  processes[i].data.memoryUsage);
+		EsListViewFixedItemSetInteger(instance->listViewProcesses, i, PROCESSES_COLUMN_CPU,     processes[i].cpuUsage);
+		EsListViewFixedItemSetInteger(instance->listViewProcesses, i, PROCESSES_COLUMN_HANDLES, processes[i].data.handleCount);
+		EsListViewFixedItemSetInteger(instance->listViewProcesses, i, PROCESSES_COLUMN_THREADS, processes[i].data.threadCount);
+	}
+
+	EsListViewFixedItemSortAll(instance->listViewProcesses);
 	EsCommandSetDisabled(&instance->commandTerminateProcess, selectedPID < 0 || !FindProcessByPID(processes, selectedPID));
 
 	EsTimerSet(REFRESH_INTERVAL, [] (EsGeneric context) {
@@ -305,17 +323,7 @@ void UpdateDisplay(Instance *instance, int index) {
 #define GET_CONTENT(...) EsBufferFormat(message->getContent.buffer, __VA_ARGS__)
 
 int ListViewProcessesCallback(EsElement *element, EsMessage *message) {
-	if (message->type == ES_MSG_LIST_VIEW_GET_CONTENT) {
-		int column = message->getContent.columnID, index = message->getContent.index;
-		ProcessItem *item = &processes[index];
-		if      (column == 0) GET_CONTENT("%s", item->data.nameBytes, item->data.name);
-		else if (column == 1) { if (item->data.pid == -1) GET_CONTENT("n/a"); else GET_CONTENT("%d", item->data.pid); }
-		else if (column == 2) GET_CONTENT("%D", item->data.memoryUsage);
-		else if (column == 3) GET_CONTENT("%d%%", item->cpuUsage);
-		else if (column == 4) GET_CONTENT("%d", item->data.handleCount);
-		else if (column == 5) GET_CONTENT("%d", item->data.threadCount);
-		else EsAssert(false);
-	} else if (message->type == ES_MSG_LIST_VIEW_IS_SELECTED) {
+	if (message->type == ES_MSG_LIST_VIEW_IS_SELECTED) {
 		message->selectItem.isSelected = processes[message->selectItem.index].data.pid == selectedPID;
 	} else if (message->type == ES_MSG_LIST_VIEW_SELECT && message->selectItem.isSelected) {
 		selectedPID = processes[message->selectItem.index].data.pid;
@@ -370,16 +378,17 @@ void ProcessApplicationMessage(EsMessage *message) {
 
 		instance->textboxGeneralLog = EsTextboxCreate(switcher, ES_TEXTBOX_MULTILINE | ES_CELL_FILL | ES_ELEMENT_DISABLED, &styleMonospacedTextbox);
 
-		instance->listViewProcesses = EsListViewCreate(switcher, ES_CELL_FILL | ES_LIST_VIEW_COLUMNS | ES_LIST_VIEW_SINGLE_SELECT);
+		instance->listViewProcesses = EsListViewCreate(switcher, ES_CELL_FILL | ES_LIST_VIEW_COLUMNS | ES_LIST_VIEW_SINGLE_SELECT | ES_LIST_VIEW_FIXED_ITEMS);
 		instance->listViewProcesses->messageUser = ListViewProcessesCallback;
-		EsListViewRegisterColumn(instance->listViewProcesses, 0, "Name", -1, 0, 150);
-		EsListViewRegisterColumn(instance->listViewProcesses, 1, "PID", -1, ES_TEXT_H_RIGHT, 120);
-		EsListViewRegisterColumn(instance->listViewProcesses, 2, "Memory", -1, ES_TEXT_H_RIGHT, 120);
-		EsListViewRegisterColumn(instance->listViewProcesses, 3, "CPU", -1, ES_TEXT_H_RIGHT, 120);
-		EsListViewRegisterColumn(instance->listViewProcesses, 4, "Handles", -1, ES_TEXT_H_RIGHT, 120);
-		EsListViewRegisterColumn(instance->listViewProcesses, 5, "Threads", -1, ES_TEXT_H_RIGHT, 120);
+		EsListViewRegisterColumn(instance->listViewProcesses, PROCESSES_COLUMN_NAME, "Name", -1, ES_LIST_VIEW_COLUMN_HAS_MENU, 150);
+		uint32_t numericColumnFlags = ES_LIST_VIEW_COLUMN_HAS_MENU | ES_TEXT_H_RIGHT | ES_DRAW_CONTENT_TABULAR 
+			| ES_LIST_VIEW_COLUMN_FIXED_DATA_INTEGERS | ES_LIST_VIEW_COLUMN_FIXED_SORT_SIZE;
+		EsListViewRegisterColumn(instance->listViewProcesses, PROCESSES_COLUMN_PID, "PID", -1, numericColumnFlags, 120);
+		EsListViewRegisterColumn(instance->listViewProcesses, PROCESSES_COLUMN_MEMORY, "Memory", -1, numericColumnFlags | ES_LIST_VIEW_COLUMN_FIXED_FORMAT_BYTES, 120);
+		EsListViewRegisterColumn(instance->listViewProcesses, PROCESSES_COLUMN_CPU, "CPU", -1, numericColumnFlags | ES_LIST_VIEW_COLUMN_FIXED_FORMAT_PERCENTAGE, 120);
+		EsListViewRegisterColumn(instance->listViewProcesses, PROCESSES_COLUMN_HANDLES, "Handles", -1, numericColumnFlags, 120);
+		EsListViewRegisterColumn(instance->listViewProcesses, PROCESSES_COLUMN_THREADS, "Threads", -1, numericColumnFlags, 120);
 		EsListViewAddAllColumns(instance->listViewProcesses);
-		EsListViewInsertGroup(instance->listViewProcesses, 0);
 
 		instance->panelMemoryStatistics = EsPanelCreate(switcher, 
 				ES_CELL_FILL | ES_PANEL_TABLE | ES_PANEL_HORIZONTAL | ES_PANEL_V_SCROLL_AUTO, &stylePanelMemoryStatistics);
diff --git a/desktop/gui.cpp b/desktop/gui.cpp
index b7a3e3f..13a0c09 100644
--- a/desktop/gui.cpp
+++ b/desktop/gui.cpp
@@ -11,12 +11,11 @@
 // TODO Close menus within menus (bug).
 // TODO Keyboard navigation - menus; escape to restore default focus.
 // TODO Middle click panning.
-// TODO Scrollbar middle click and zooming; scroll wheel.
+// TODO Scrollbar middle click and zooming.
 // TODO Textboxes: date/time overlays, keyboard shortcut overlay, custom overlays.
 // TODO Breadcrumb bar overflow menu; keep hover after recreating UI.
 // TODO Textbox embedded objects.
 // TODO Closing windows in menu/access key mode.
-// TODO Ignore ES_MSG_LAYOUT in panels if layout.sizeChanged is false?
 
 // Behaviour of activation clicks. --> Only ignore activation clicks from menus.
 // Behaviour of the scroll wheel with regards to focused/hovered elements --> Scroll the hovered element only.
diff --git a/desktop/list_view.cpp b/desktop/list_view.cpp
index 54b4da1..23fa175 100644
--- a/desktop/list_view.cpp
+++ b/desktop/list_view.cpp
@@ -61,6 +61,8 @@ struct ListViewColumn {
 	size_t enumStringCount;
 };
 
+typedef void (*ListViewSortFunction)(EsListViewIndex *, size_t, ListViewColumn *);
+
 int ListViewProcessItemMessage(EsElement *element, EsMessage *message);
 void ListViewSetSortAscending(EsMenu *menu, EsGeneric context);
 void ListViewSetSortDescending(EsMenu *menu, EsGeneric context);
@@ -2582,6 +2584,42 @@ void EsListViewInvalidateContent(EsListView *view, EsListViewIndex group, EsList
 	}
 }
 
+#define LIST_VIEW_SORT_FUNCTION(_name, _line) \
+	ES_MACRO_SORT(_name, EsListViewIndex, { \
+		ListViewFixedItemData *left = (ListViewFixedItemData *) &context->items[*_left]; \
+		ListViewFixedItemData *right = (ListViewFixedItemData *) &context->items[*_right]; \
+		result = _line; \
+	}, ListViewColumn *)
+
+LIST_VIEW_SORT_FUNCTION(ListViewSortByStringsAscending, EsStringCompare(left->s.string, left->s.bytes, right->s.string, right->s.bytes));
+LIST_VIEW_SORT_FUNCTION(ListViewSortByStringsDescending, -EsStringCompare(left->s.string, left->s.bytes, right->s.string, right->s.bytes));
+LIST_VIEW_SORT_FUNCTION(ListViewSortByEnumsAscending, EsStringCompare(context->enumStrings[left->i].string, context->enumStrings[left->i].stringBytes, 
+			context->enumStrings[right->i].string, context->enumStrings[right->i].stringBytes));
+LIST_VIEW_SORT_FUNCTION(ListViewSortByEnumsDescending, -EsStringCompare(context->enumStrings[left->i].string, context->enumStrings[left->i].stringBytes, 
+			context->enumStrings[right->i].string, context->enumStrings[right->i].stringBytes));
+LIST_VIEW_SORT_FUNCTION(ListViewSortByIntegersAscending, left->i > right->i ? 1 : left->i == right->i ? 0 : -1);
+LIST_VIEW_SORT_FUNCTION(ListViewSortByIntegersDescending, left->i < right->i ? 1 : left->i == right->i ? 0 : -1);
+LIST_VIEW_SORT_FUNCTION(ListViewSortByDoublesAscending, left->d > right->d ? 1 : left->d == right->d ? 0 : -1);
+LIST_VIEW_SORT_FUNCTION(ListViewSortByDoublesDescending, left->d < right->d ? 1 : left->d == right->d ? 0 : -1);
+
+ListViewSortFunction ListViewGetSortFunction(ListViewColumn *column, uint8_t direction) {
+	if ((column->flags & ES_LIST_VIEW_COLUMN_FIXED_DATA_MASK) == ES_LIST_VIEW_COLUMN_FIXED_DATA_STRINGS) {
+		return (direction == LIST_SORT_DIRECTION_DESCENDING ? ListViewSortByStringsDescending : ListViewSortByStringsAscending);
+	} else if ((column->flags & ES_LIST_VIEW_COLUMN_FIXED_DATA_MASK) == ES_LIST_VIEW_COLUMN_FIXED_DATA_INTEGERS) {
+		if ((column->flags & ES_LIST_VIEW_COLUMN_FIXED_FORMAT_MASK) == ES_LIST_VIEW_COLUMN_FIXED_FORMAT_ENUM_STRING) {
+			return (direction == LIST_SORT_DIRECTION_DESCENDING ? ListViewSortByEnumsDescending : ListViewSortByEnumsAscending);
+		} else {
+			return (direction == LIST_SORT_DIRECTION_DESCENDING ? ListViewSortByIntegersDescending : ListViewSortByIntegersAscending);
+		}
+	} else if ((column->flags & ES_LIST_VIEW_COLUMN_FIXED_DATA_MASK) == ES_LIST_VIEW_COLUMN_FIXED_DATA_DOUBLES) {
+		return (direction == LIST_SORT_DIRECTION_DESCENDING ? ListViewSortByDoublesDescending : ListViewSortByDoublesAscending);
+	} else {
+		EsAssert(false);
+	}
+
+	return nullptr;
+}
+
 EsListViewIndex EsListViewFixedItemInsert(EsListView *view, EsGeneric data, EsListViewIndex index, uint32_t iconID) {
 	EsAssert(view->flags & ES_LIST_VIEW_FIXED_ITEMS);
 
@@ -2643,12 +2681,32 @@ void ListViewFixedItemSetInternal(EsListView *view, EsListViewIndex index, uint3
 		EsMemoryZero(&column->items[oldLength], (view->fixedItems.Length() - oldLength) * sizeof(column->items[0]));
 	}
 
+	bool changed = false;
+
+	if (dataType == ES_LIST_VIEW_COLUMN_FIXED_DATA_STRINGS) {
+		changed = EsStringCompareRaw(column->items[index].s.string, column->items[index].s.bytes, data.s.string, data.s.bytes);
+	} else if (dataType == ES_LIST_VIEW_COLUMN_FIXED_DATA_DOUBLES) {
+		changed = column->items[index].d != data.d;
+	} else if (dataType == ES_LIST_VIEW_COLUMN_FIXED_DATA_INTEGERS) {
+		changed = column->items[index].i != data.i;
+	} else {
+		EsAssert(false);
+	}
+
 	if (dataType == ES_LIST_VIEW_COLUMN_FIXED_DATA_STRINGS) {
 		EsHeapFree(column->items[index].s.string);
 	}
 
 	column->items[index] = data;
-	EsListViewInvalidateContent(view, 0, index);
+
+	if (changed) {
+		for (uintptr_t i = 0; i < view->fixedItemIndices.Length(); i++) {
+			if (view->fixedItemIndices[i] == index) {
+				EsListViewInvalidateContent(view, 0, i);
+				break;
+			}
+		}
+	}
 }
 
 void EsListViewFixedItemSetString(EsListView *view, EsListViewIndex index, uint32_t columnID, const char *string, ptrdiff_t stringBytes) {
@@ -2765,29 +2823,11 @@ void EsListViewFixedItemSetEnumStringsForColumn(EsListView *view, uint32_t colum
 	EsAssert(false);
 }
 
-#define LIST_VIEW_SORT_FUNCTION(_name, _line) \
-	ES_MACRO_SORT(_name, EsListViewIndex, { \
-		ListViewFixedItemData *left = (ListViewFixedItemData *) &context->items[*_left]; \
-		ListViewFixedItemData *right = (ListViewFixedItemData *) &context->items[*_right]; \
-		result = _line; \
-	}, ListViewColumn *)
-
-LIST_VIEW_SORT_FUNCTION(ListViewSortByStringsAscending, EsStringCompare(left->s.string, left->s.bytes, right->s.string, right->s.bytes));
-LIST_VIEW_SORT_FUNCTION(ListViewSortByStringsDescending, -EsStringCompare(left->s.string, left->s.bytes, right->s.string, right->s.bytes));
-LIST_VIEW_SORT_FUNCTION(ListViewSortByEnumsAscending, EsStringCompare(context->enumStrings[left->i].string, context->enumStrings[left->i].stringBytes, 
-			context->enumStrings[right->i].string, context->enumStrings[right->i].stringBytes));
-LIST_VIEW_SORT_FUNCTION(ListViewSortByEnumsDescending, -EsStringCompare(context->enumStrings[left->i].string, context->enumStrings[left->i].stringBytes, 
-			context->enumStrings[right->i].string, context->enumStrings[right->i].stringBytes));
-LIST_VIEW_SORT_FUNCTION(ListViewSortByIntegersAscending, left->i > right->i ? 1 : left->i == right->i ? 0 : -1);
-LIST_VIEW_SORT_FUNCTION(ListViewSortByIntegersDescending, left->i < right->i ? 1 : left->i == right->i ? 0 : -1);
-LIST_VIEW_SORT_FUNCTION(ListViewSortByDoublesAscending, left->d > right->d ? 1 : left->d == right->d ? 0 : -1);
-LIST_VIEW_SORT_FUNCTION(ListViewSortByDoublesDescending, left->d < right->d ? 1 : left->d == right->d ? 0 : -1);
-
-void ListViewSetSortDirection(EsListView *view, uint32_t columnID, uint8_t direction) {
+void EsListViewFixedItemSortAll(EsListView *view) {
 	ListViewColumn *column = nullptr;
 
 	for (uintptr_t i = 0; i < view->registeredColumns.Length(); i++) {
-		if (view->registeredColumns[i].id == columnID) {
+		if (view->registeredColumns[i].id == view->fixedItemSortColumnID) {
 			column = &view->registeredColumns[i];
 			break;
 		}
@@ -2795,34 +2835,12 @@ void ListViewSetSortDirection(EsListView *view, uint32_t columnID, uint8_t direc
 
 	EsAssert(column);
 
-	if (view->fixedItemSortColumnID == columnID && view->fixedItemSortDirection == direction) {
-		return;
-	}
-
-	view->fixedItemSortColumnID = columnID;
-	view->fixedItemSortDirection = direction;
-
 	EsAssert(view->fixedItems.Length() == view->fixedItemIndices.Length());
 
-	void (*sortFunction)(EsListViewIndex *, size_t, ListViewColumn *) = nullptr;
-
-	if ((column->flags & ES_LIST_VIEW_COLUMN_FIXED_DATA_MASK) == ES_LIST_VIEW_COLUMN_FIXED_DATA_STRINGS) {
-		sortFunction = (direction == LIST_SORT_DIRECTION_DESCENDING ? ListViewSortByStringsDescending : ListViewSortByStringsAscending);
-	} else if ((column->flags & ES_LIST_VIEW_COLUMN_FIXED_DATA_MASK) == ES_LIST_VIEW_COLUMN_FIXED_DATA_INTEGERS) {
-		if ((column->flags & ES_LIST_VIEW_COLUMN_FIXED_FORMAT_MASK) == ES_LIST_VIEW_COLUMN_FIXED_FORMAT_ENUM_STRING) {
-			sortFunction = (direction == LIST_SORT_DIRECTION_DESCENDING ? ListViewSortByEnumsDescending : ListViewSortByEnumsAscending);
-		} else {
-			sortFunction = (direction == LIST_SORT_DIRECTION_DESCENDING ? ListViewSortByIntegersDescending : ListViewSortByIntegersAscending);
-		}
-	} else if ((column->flags & ES_LIST_VIEW_COLUMN_FIXED_DATA_MASK) == ES_LIST_VIEW_COLUMN_FIXED_DATA_DOUBLES) {
-		sortFunction = (direction == LIST_SORT_DIRECTION_DESCENDING ? ListViewSortByDoublesDescending : ListViewSortByDoublesAscending);
-	} else {
-		EsAssert(false);
-	}
-	
 	EsListViewIndex previousSelectionIndex = view->fixedItemSelection >= 0 && (uintptr_t) view->fixedItemSelection < view->fixedItemIndices.Length() 
 		? view->fixedItemIndices[view->fixedItemSelection] : -1;
 
+	ListViewSortFunction sortFunction = ListViewGetSortFunction(column, view->fixedItemSortDirection);
 	sortFunction(view->fixedItemIndices.array, view->fixedItems.Length(), column);
 	EsListViewInvalidateAll(view);
 
@@ -2838,6 +2856,14 @@ void ListViewSetSortDirection(EsListView *view, uint32_t columnID, uint8_t direc
 	}
 }
 
+void ListViewSetSortDirection(EsListView *view, uint32_t columnID, uint8_t direction) {
+	if (view->fixedItemSortColumnID != columnID || view->fixedItemSortDirection != direction) {
+		view->fixedItemSortColumnID = columnID;
+		view->fixedItemSortDirection = direction;
+		EsListViewFixedItemSortAll(view);
+	}
+}
+
 void ListViewSetSortAscending(EsMenu *menu, EsGeneric context) {
 	ListViewSetSortDirection((EsListView *) menu->userData.p, context.u, LIST_SORT_DIRECTION_ASCENDING);
 }
diff --git a/desktop/os.header b/desktop/os.header
index d2afd77..ac5bf9b 100644
--- a/desktop/os.header
+++ b/desktop/os.header
@@ -2626,3 +2626,4 @@ function void EsListViewFixedItemSetInteger(EsListView *view, EsListViewIndex in
 function bool EsListViewFixedItemSelect(EsListView *view, EsGeneric data); // Returns false if the item was not found.
 function bool EsListViewFixedItemGetSelected(EsListView *view, EsGeneric *data); // Returns false if no item was selected.
 function void EsListViewFixedItemSetEnumStringsForColumn(EsListView *view, uint32_t columnID, const EsListViewEnumString *strings, size_t stringCount);
+function void EsListViewFixedItemSortAll(EsListView *view); // Re-sort the list after inserting new items or modifying existing items. TODO EsListViewFixedItemSortSingleItem.
diff --git a/util/api_table.ini b/util/api_table.ini
index 0d69a08..e5f7614 100644
--- a/util/api_table.ini
+++ b/util/api_table.ini
@@ -142,6 +142,7 @@ EsMutexAcquire=140
 EsMutexDestroy=141
 EsMutexRelease=142
 EsListViewAddAllColumns=143
+EsListViewFixedItemSortAll=144
 EsSchedulerYield=145
 EsSleep=146
 EsSpinlockAcquire=147