diff --git a/far/PluginA.cpp b/far/PluginA.cpp
index 96b5a09c21..f4e5492faf 100644
--- a/far/PluginA.cpp
+++ b/far/PluginA.cpp
@@ -2665,7 +2665,7 @@ static intptr_t WINAPI FarSendDlgMessageA(HANDLE hDlg, int OldMsg, int Param1, v
 				FarDialogItemData did{ sizeof(did), static_cast<size_t>(didA->PtrLength), text.data() };
 				intptr_t ret = pluginapi::apiSendDlgMessage(hDlg, DM_GETTEXT, Param1, &did);
 				didA->PtrLength = static_cast<int>(did.PtrLength);
-				(void)encoding::oem::get_bytes({ text.data(), did.PtrLength }, { didA->PtrData, static_cast<size_t>(didA->PtrLength + 1) });
+				(void)encoding::oem::get_bytes({ text.data(), did.PtrLength }, { didA->PtrData, static_cast<size_t>(didA->PtrLength) + 1 });
 				return ret;
 			}
 			case oldfar::DM_GETTEXTLENGTH: Msg = DM_GETTEXT; break;
@@ -3206,7 +3206,7 @@ static int WINAPI FarDialogExA(intptr_t PluginNumber, int X1, int Y1, int X2, in
 		NewDialogData.di = di.data();
 		NewDialogData.l = l.data();
 
-		Dialogs().emplace(hDlg, NewDialogData);
+		Dialogs().try_emplace(hDlg, NewDialogData);
 		SCOPE_EXIT{ Dialogs().erase(hDlg); };
 
 		const auto ret = pluginapi::apiDialogRun(hDlg);
@@ -3706,7 +3706,7 @@ static intptr_t WINAPI FarAdvControlA(intptr_t ModuleNumber, oldfar::ADVANCED_CO
 					{
 						std::vector<FarColor> Color(PaletteSize + 1);
 						pluginapi::apiAdvControl(GetPluginUuid(ModuleNumber), ACTL_GETARRAYCOLOR, Color.size(), Color.data());
-						Color.insert(Color.begin() + oldfar::COL_RESERVED0, FarColor{});
+						Color.emplace(Color.begin() + oldfar::COL_RESERVED0);
 						const auto OldColors = static_cast<LPBYTE>(Param);
 						std::ranges::transform(Color, OldColors, colors::FarColorToConsoleColor);
 					}
diff --git a/far/colormix.cpp b/far/colormix.cpp
index e228a69c6c..8f9bf98c12 100644
--- a/far/colormix.cpp
+++ b/far/colormix.cpp
@@ -506,7 +506,7 @@ namespace colors
 			);
 		};
 
-		return Map.emplace(Color, std::ranges::min_element(Palette.begin() + Skip, Palette.end(), {}, distance) - Palette.begin()).first->second;
+		return Map.try_emplace(Color, std::ranges::min_element(Palette.begin() + Skip, Palette.end(), {}, distance) - Palette.begin()).first->second;
 	}
 
 	struct index_color_16
diff --git a/far/console.cpp b/far/console.cpp
index 44f1032256..fed5e98318 100644
--- a/far/console.cpp
+++ b/far/console.cpp
@@ -1066,7 +1066,7 @@ namespace console_detail
 	static bool layout_has_altgr(HKL const Layout)
 	{
 		static std::unordered_map<HKL, bool> LayoutState;
-		const auto [Iterator, Inserted] = LayoutState.emplace(Layout, false);
+		const auto [Iterator, Inserted] = LayoutState.try_emplace(Layout, false);
 		if (!Inserted)
 			return Iterator->second;
 
@@ -1906,7 +1906,7 @@ namespace console_detail
 			return ::console.Write(CSI L"m"sv);
 		}
 
-		class cursor_suppressor: public hide_cursor
+		class cursor_suppressor: hide_cursor
 		{
 		public:
 			NONCOPYABLE(cursor_suppressor);
@@ -2941,7 +2941,6 @@ namespace console_detail
 
 			LOGINFO(L"Reinitializing"sv);
 			initialize();
-			return 1;
 		}
 
 		DWORD Written;
diff --git a/far/diskmenu.cpp b/far/diskmenu.cpp
index b768ecaf4a..f5e3c2ebf4 100644
--- a/far/diskmenu.cpp
+++ b/far/diskmenu.cpp
@@ -195,7 +195,7 @@ static void AddPluginItems(VMenu2 &ChDisk, int Pos, int DiskCount, bool SetSelec
 #endif // NO_WRAPPER
 					LIF_NONE;
 
-				MenuInitItems.push_back({ std::move(strPluginText), Flags, HotKey, { pPlugin, Uuid } });
+				MenuInitItems.emplace_back(std::move(strPluginText), Flags, HotKey, plugin_item{ pPlugin, Uuid });
 			}
 		}
 	}
diff --git a/far/edit.cpp b/far/edit.cpp
index b5c9e2dca0..5e33477062 100644
--- a/far/edit.cpp
+++ b/far/edit.cpp
@@ -86,7 +86,7 @@ class positions_cache
 			return *Value;
 		}
 
-		const auto [Iterator, IsNew] = m_BigPositions.emplace(Position, 0);
+		const auto [Iterator, IsNew] = m_BigPositions.try_emplace(Position, 0);
 		if (IsNew)
 			Iterator->second = m_Accessor(Position, &m_State);
 
diff --git a/far/filefilter.cpp b/far/filefilter.cpp
index 4790e56402..39de10d094 100644
--- a/far/filefilter.cpp
+++ b/far/filefilter.cpp
@@ -175,7 +175,7 @@ static void ParseAndAddMasks(std::map<string, int, string_sort::less_icase_t>& E
 		return;
 
 	const auto Ext = name_ext(FileName).second;
-	Extensions.emplace(Ext.empty()? L"*."s : concat(L'*', Ext), Check);
+	Extensions.emplace(Ext.empty()? L"*."sv : concat(L'*', Ext), Check);
 }
 
 static wchar_t GetCheck(filter_area const Type, const FileFilterParams& FFP)
@@ -555,7 +555,7 @@ static void ProcessSelection(VMenu2* const FilterList, filter_area const Area)
 				NewFilter.SetMask(true, Mask.find_first_of(L",;"sv, L"*."sv.size()) == string::npos? Mask : quote(Mask));
 				//Авто фильтры они только для файлов, папки не должны к ним подходить
 				NewFilter.SetAttr(true, 0, FILE_ATTRIBUTE_DIRECTORY);
-				const auto NewIterator = TempFilterData().emplace(Mask, std::move(NewFilter)).first;
+				const auto NewIterator = TempFilterData().try_emplace(Mask, std::move(NewFilter)).first;
 				CurFilterData = &NewIterator->second;
 			}
 		}
@@ -964,7 +964,7 @@ void filters::InitFilters()
 			}
 		}
 
-		TempFilterData().emplace(unquote(std::move(Mask)), std::move(NewItem));
+		TempFilterData().try_emplace(unquote(std::move(Mask)), std::move(NewItem));
 	}
 }
 
diff --git a/far/filelist.cpp b/far/filelist.cpp
index 1a301906dc..88241e0afa 100644
--- a/far/filelist.cpp
+++ b/far/filelist.cpp
@@ -511,8 +511,8 @@ FileList::FileList(private_tag, window_ptr Owner):
 {
 	if (const auto& data = msg(lng::MPanelBracketsForLongName); data.size() > 1)
 	{
-		*openBracket = data[0];
-		*closeBracket = data[1];
+		openBracket = data[0];
+		closeBracket = data[1];
 	}
 
 	m_CurDir = os::fs::get_current_directory();
diff --git a/far/filelist.hpp b/far/filelist.hpp
index 1ce08ffd0f..0e36886f3b 100644
--- a/far/filelist.hpp
+++ b/far/filelist.hpp
@@ -318,7 +318,7 @@ class FileList final: public Panel
 		 Открывающий и закрывающий символ, которые используются для показа
 		 имени, которое не помещается в панели. По умолчанию - фигурные скобки.
 	*/
-	wchar_t openBracket[2]{L'{'}, closeBracket[2]{L'}'};
+	wchar_t openBracket{L'{'}, closeBracket{L'}'};
 
 	string strOriginalCurDir;
 	string strPluginDizName;
diff --git a/far/filemasks.cpp b/far/filemasks.cpp
index 3245a7488e..84aa18e1cb 100644
--- a/far/filemasks.cpp
+++ b/far/filemasks.cpp
@@ -421,7 +421,7 @@ bool filemasks::masks::operator==(const string_view FileName) const
 
 			Data.Match.assign(ALL_CONST_RANGE(Match.Matches));
 			for (const auto& [k, v]: NamedMatch.Matches)
-				Data.NamedMatch.emplace(k, v);
+				Data.NamedMatch.try_emplace(k, v);
 			return true;
 		}
 	}, m_Masks);
diff --git a/far/filetype.cpp b/far/filetype.cpp
index 917c18d8bc..c8ed02989c 100644
--- a/far/filetype.cpp
+++ b/far/filetype.cpp
@@ -105,7 +105,7 @@ bool ProcessLocalFileTypes(string_view const Name, string_view const ShortName,
 	{
 		for (const auto& i: Data.Matches)
 		{
-			Context.Variables.emplace(
+			Context.Variables.try_emplace(
 				far::format(L"RegexGroup{}"sv, &i - Data.Matches.data()),
 				get_match(Context.Name, i)
 			);
@@ -114,7 +114,7 @@ bool ProcessLocalFileTypes(string_view const Name, string_view const ShortName,
 		for (const auto& [GroupName, GroupNumber]: Data.NamedMatches)
 		{
 			const auto& Match = Data.Matches[GroupNumber];
-			Context.Variables.emplace(
+			Context.Variables.try_emplace(
 				far::format(L"RegexGroup{{{}}}"sv, GroupName),
 				get_match(Context.Name, Match)
 			);
diff --git a/far/fnparce.cpp b/far/fnparce.cpp
index ca8af5652a..2fd5e1a14e 100644
--- a/far/fnparce.cpp
+++ b/far/fnparce.cpp
@@ -872,7 +872,7 @@ static bool InputVariablesDialog(string& strStr, subst_data& SubstData, string_v
 		if (!i.strHistory.empty() && i.strHistory != GenerateHistoryName(Index))
 		{
 			replace_icase(strTmpStr, L'%' + i.strHistory, i.strData);
-			SubstData.Variables->emplace(i.strHistory, i.strData);
+			SubstData.Variables->try_emplace(i.strHistory, i.strData);
 		}
 	}
 
diff --git a/far/language.cpp b/far/language.cpp
index de1829862b..8f85c8ee06 100644
--- a/far/language.cpp
+++ b/far/language.cpp
@@ -342,7 +342,7 @@ static void LoadCustomStrings(string_view const FileName, unordered_string_map<s
 			break;
 
 		case lng_line_type::text:
-			Strings.emplace(std::move(SavedLabel), ConvertString(Line.Text));
+			Strings.try_emplace(std::move(SavedLabel), ConvertString(Line.Text));
 			SavedLabel.clear();
 			break;
 
diff --git a/far/manager.cpp b/far/manager.cpp
index 85dbfce61a..3cc1465ff9 100644
--- a/far/manager.cpp
+++ b/far/manager.cpp
@@ -365,7 +365,7 @@ void Manager::ExecuteNonModal(const window_ptr& NonModal)
 void Manager::ExecuteModal(const window_ptr& Executed)
 {
 	bool stop=false;
-	if (!m_Executed.emplace(Executed, &stop).second)
+	if (!m_Executed.try_emplace(Executed, &stop).second)
 		return;
 
 	const auto OriginalStartManager = StartManager;
diff --git a/far/map_file.cpp b/far/map_file.cpp
index 6012004204..f0d3333424 100644
--- a/far/map_file.cpp
+++ b/far/map_file.cpp
@@ -218,7 +218,7 @@ static void read_vc(std::istream& Stream, unordered_string_set& Files, std::map<
 			const auto File = get_match(i.Str, m[3]);
 			Line.File = std::to_address(Files.emplace(File).first);
 
-			Symbols.emplace(Address, std::move(Line));
+			Symbols.try_emplace(Address, std::move(Line));
 			continue;
 		}
 	}
@@ -247,7 +247,7 @@ static void read_clang(std::istream& Stream, unordered_string_set& Files, std::m
 			Line.Name = get_match(i.Str, m[2]);
 			Line.File = std::to_address(Files.emplace(ObjName).first);
 			const auto Address = from_string<uintptr_t>(get_match(i.Str, m[1]), {}, 16);
-			Symbols.emplace(Address, std::move(Line));
+			Symbols.try_emplace(Address, std::move(Line));
 			continue;
 		}
 
@@ -292,7 +292,7 @@ static void read_gcc(std::istream& Stream, unordered_string_set& Files, std::map
 			Line.Name = get_match(i.Str, m[2]);
 			Line.File = std::to_address(Files.emplace(FileName).first);
 			const auto Address = from_string<uintptr_t>(get_match(i.Str, m[1]), {}, 16) + BaseAddress;
-			Symbols.emplace(Address, std::move(Line));
+			Symbols.try_emplace(Address, std::move(Line));
 			continue;
 		}
 
diff --git a/far/notification.cpp b/far/notification.cpp
index ae8150c1b8..cdd86a1806 100644
--- a/far/notification.cpp
+++ b/far/notification.cpp
@@ -185,7 +185,7 @@ bool message_manager::dispatch()
 			const auto [Begin, End] = Handlers.equal_range(EventId);
 			for (const auto& [Key, Value]: std::ranges::subrange(Begin, End))
 			{
-				EligibleHandlers.emplace(Value, false);
+				EligibleHandlers.try_emplace(Value, false);
 			}
 		};
 
diff --git a/far/platform.cpp b/far/platform.cpp
index 42d6b1b34c..e1bcc6484d 100644
--- a/far/platform.cpp
+++ b/far/platform.cpp
@@ -808,7 +808,7 @@ static auto keyboard_layout_list_hr(std::span<HKL const> const List)
 				if (!from_string(*LayoutIdStr, LayoutId, {}, 16))
 					continue;
 
-				SpecialLayouts.emplace(LayoutId, Key);
+				SpecialLayouts.try_emplace(LayoutId, Key);
 			}
 		}
 	}
diff --git a/far/platform.debug.cpp b/far/platform.debug.cpp
index a8eae8fedd..1430abb247 100644
--- a/far/platform.debug.cpp
+++ b/far/platform.debug.cpp
@@ -303,7 +303,7 @@ namespace os::debug
 
 		const auto handler = [&](uintptr_t const Address, DWORD const InlineFrameContext)
 		{
-			Result.push_back({ Address, InlineFrameContext });
+			Result.emplace_back(Address, InlineFrameContext);
 		};
 
 		if (imports.StackWalkEx)
diff --git a/far/platform.fs.cpp b/far/platform.fs.cpp
index 550ec4d8d7..9988686e20 100644
--- a/far/platform.fs.cpp
+++ b/far/platform.fs.cpp
@@ -1125,7 +1125,7 @@ namespace os::fs
 		// Mapped drives resolve to \Device\WinDfs\X:<whatever>\server\share
 		if (const auto DfsPrefix = L"\\Device\\WinDfs\\"sv; NtPath.starts_with(DfsPrefix))
 		{
-			const auto ServerStart = NtPath.find(L"\\", DfsPrefix.size());
+			const auto ServerStart = NtPath.find(L'\\', DfsPrefix.size());
 			FinalFilePath = NtPath.replace(0, ServerStart, 1, L'\\');
 			return true;
 		}
@@ -2395,7 +2395,7 @@ namespace os::fs
 			return true;
 
 		if (ElevationRequired(ELEVATION_READ_REQUEST))
-			return elevation::instance().get_disk_free_space(strPath.c_str(), UserFree, UserTotal, TotalFree);
+			return elevation::instance().get_disk_free_space(strPath, UserFree, UserTotal, TotalFree);
 
 		return false;
 	}
diff --git a/far/stddlg.cpp b/far/stddlg.cpp
index 19f759a3c5..07df5991ba 100644
--- a/far/stddlg.cpp
+++ b/far/stddlg.cpp
@@ -1303,7 +1303,7 @@ void regex_playground()
 			for (const auto& [i, Index] : enumerate(Match.Matches))
 			{
 				ListStrings.emplace_back(far::format(L"${}: {}"sv, Index, match_str(i)));
-				ListItems.push_back({ i.start < 0? LIF_GRAYED : LIF_NONE, ListStrings.back().c_str(), 0, 0 });
+				ListItems.emplace_back(i.start < 0? LIF_GRAYED : LIF_NONE, ListStrings.back().c_str(), 0, 0);
 			}
 
 			for (const auto& [k, v] : NamedMatch.Matches)
diff --git a/far/treelist.cpp b/far/treelist.cpp
index a0d5f60062..780fe65c19 100644
--- a/far/treelist.cpp
+++ b/far/treelist.cpp
@@ -1351,7 +1351,7 @@ int TreeList::GetNextNavPos() const
 {
 	int NextPos=m_CurFile;
 
-	if (static_cast<size_t>(m_CurFile + 1) < m_ListData.size())
+	if (static_cast<size_t>(m_CurFile) + 1 < m_ListData.size())
 	{
 		const auto CurDepth = m_ListData[m_CurFile].Depth;
 
diff --git a/far/vmenu.cpp b/far/vmenu.cpp
index 2f99ed76f4..a10e3aa2ce 100644
--- a/far/vmenu.cpp
+++ b/far/vmenu.cpp
@@ -2207,7 +2207,7 @@ bool VMenu::AlignAnnotations()
 	if (!CheckFlags(VMENU_ENABLEALIGNANNOTATIONS)) return false;
 
 	const auto TextAreaWidth{ CalculateTextAreaWidth() };
-	if (TextAreaWidth <= 0 || TextAreaWidth + 2 <= 0) return false;
+	if (TextAreaWidth <= 0) return false;
 	const auto AlignPos{ (TextAreaWidth + 2) / 4 };
 
 	return SetAllItemsHPos(
@@ -2437,7 +2437,7 @@ void VMenu::DrawMenu()
 	if (Layout.Scrollbar)
 	{
 		set_color(Colors, color_indices::ScrollBar);
-		ScrollBar(Layout.Scrollbar.value(), Layout.ClientRect.top, Layout.ClientRect.height(), VisualTopPos, GetShowItemCount());
+		ScrollBar(*Layout.Scrollbar, Layout.ClientRect.top, Layout.ClientRect.height(), VisualTopPos, GetShowItemCount());
 	}
 }
 
@@ -2608,7 +2608,7 @@ void VMenu::DrawRegularItem(const MenuItemEx& Item, const menu_layout& Layout, c
 {
 	if (!Layout.TextArea) return;
 
-	const auto [TextAreaBegin, TextAreaWidth] { Layout.TextArea.value() };
+	const auto [TextAreaBegin, TextAreaWidth] { *Layout.TextArea };
 
 	GotoXY(TextAreaBegin, Y);
 
@@ -2671,16 +2671,16 @@ void VMenu::DrawRegularItem(const MenuItemEx& Item, const menu_layout& Layout, c
 		};
 
 	if (Layout.CheckMark)
-		DrawDecorator(Layout.CheckMark.value(), get_item_check_mark(Item, ColorIndices));
+		DrawDecorator(*Layout.CheckMark, get_item_check_mark(Item, ColorIndices));
 
 	if (Layout.LeftHScroll)
-		DrawDecorator(Layout.LeftHScroll.value(), get_item_left_hscroll(Item.HorizontalPosition < 0, ColorIndices));
+		DrawDecorator(*Layout.LeftHScroll, get_item_left_hscroll(Item.HorizontalPosition < 0, ColorIndices));
 
 	if (Layout.SubMenu)
-		DrawDecorator(Layout.SubMenu.value(), get_item_submenu(Item, ColorIndices));
+		DrawDecorator(*Layout.SubMenu, get_item_submenu(Item, ColorIndices));
 
 	if (Layout.RightHScroll)
-		DrawDecorator(Layout.RightHScroll.value(), get_item_right_hscroll(Item.HorizontalPosition + ItemTextSize > TextAreaWidth, ColorIndices));
+		DrawDecorator(*Layout.RightHScroll, get_item_right_hscroll(Item.HorizontalPosition + ItemTextSize > TextAreaWidth, ColorIndices));
 }
 
 int VMenu::CheckHighlights(wchar_t CheckSymbol, int StartPos) const
@@ -3263,7 +3263,7 @@ void VMenu::EnableFilter(bool const Enable)
 int VMenu::CalculateTextAreaWidth() const
 {
 	const auto TextArea = menu_layout{ *this }.TextArea;
-	return TextArea ? TextArea.value().second : 0;
+	return TextArea? TextArea->second : 0;
 }
 
 size_t VMenu::Text(string_view const Str) const