Installer: Windows 7: Check for installed KB4474419

deploy/FortFirewall.iss

@@ -140,6 +140,35 @@ begin
   Result := (Version.Major > 10) or ((Version.Major = 10) and (Version.Build > 19040));
 end;
 
+function IsWindows7(): Boolean;
+var
+  Version: TWindowsVersion;
+begin
+  GetWindowsVersionEx(Version);
+  Result := (Version.Major = 6) and (Version.Minor = 1);
+end;
+
+function IsUpdateInstalled(KB: String): Boolean;
+var
+  UpdateSession: Variant;
+  UpdateSearcher: Variant;
+  SearchResult: Variant;
+  I: Integer;
+begin
+  UpdateSession := CreateOleObject('Microsoft.Update.Session');
+  UpdateSearcher := UpdateSession.CreateUpdateSearcher();
+  SearchResult := UpdateSearcher.Search('IsInstalled=1');
+  for I := 0 to SearchResult.Updates.Count - 1 do
+  begin
+    if SearchResult.Updates.Item(I).KBArticleIDs.Item(0) = KB then
+    begin
+      Result := true;
+      Exit;
+    end;
+  end;
+  Result := false;
+end;
+
 function HVCIEnabled(): Boolean;
 var
   EnabledValue: Cardinal;
@@ -292,6 +321,14 @@ begin
   begin
     SuppressibleMsgBox(ExpandConstant('{cm:NotCompatibleWithWindows}'), mbCriticalError, MB_OK, IDOK);
 
+    Result := False;
+    Exit;
+  end;
+#else
+  if IsWindows7() and not IsUpdateInstalled('4474419') then
+  begin
+    SuppressibleMsgBox(ExpandConstant('{cm:NotCompatibleWithWindows7}'), mbCriticalError, MB_OK, IDOK);
+
     Result := False;
     Exit;
   end;

deploy/languages/custom/BrazilianPortuguese.isl

@@ -14,5 +14,6 @@ UninstallPasswordOK=OK
 UninstallPasswordCancel=Cancel
 WrongPassword=Wrong password
 NotCompatibleWithWindows=This program is not compatible with Windows version (Windows 10 2004 or newer required).
+NotCompatibleWithWindows7=This program is not compatible with Windows 7 version (KB4474419 required).
 NotCompatibleWithHVCI=This program is not compatible with HVCI (Core Isolation).
 IsDeleteData=Delete config & data files?

deploy/languages/custom/ChineseSimplified.isl

@@ -14,5 +14,6 @@ UninstallPasswordOK=ȷ
 UninstallPasswordCancel=取消
 WrongPassword=密码错误
 NotCompatibleWithWindows=This program is not compatible with Windows version (Windows 10 2004 or newer required).
+NotCompatibleWithWindows7=This program is not compatible with Windows 7 version (KB4474419 required).
 NotCompatibleWithHVCI=这个程序与HVCI（核心隔离）不兼容。
 IsDeleteData=您希望删除配置文件和数据文件吗？

deploy/languages/custom/Default.isl

@@ -14,5 +14,6 @@ UninstallPasswordOK=OK
 UninstallPasswordCancel=Cancel
 WrongPassword=Wrong password
 NotCompatibleWithWindows=This program is not compatible with Windows version (Windows 10 2004 or newer required).
+NotCompatibleWithWindows7=This program is not compatible with Windows 7 version (KB4474419 required).
 NotCompatibleWithHVCI=This program is not compatible with HVCI (Core Isolation).
 IsDeleteData=Delete config & data files?

deploy/languages/custom/French.isl

@@ -14,5 +14,6 @@ UninstallPasswordOK=OK
 UninstallPasswordCancel=Cancel
 WrongPassword=Wrong password
 NotCompatibleWithWindows=This program is not compatible with Windows version (Windows 10 2004 or newer required).
+NotCompatibleWithWindows7=This program is not compatible with Windows 7 version (KB4474419 required).
 NotCompatibleWithHVCI=This program is not compatible with HVCI (Core Isolation).
 IsDeleteData=Delete config & data files?

deploy/languages/custom/German.isl

@@ -14,5 +14,6 @@ UninstallPasswordOK=OK
 UninstallPasswordCancel=Cancel
 WrongPassword=Wrong password
 NotCompatibleWithWindows=This program is not compatible with Windows version (Windows 10 2004 or newer required).
+NotCompatibleWithWindows7=This program is not compatible with Windows 7 version (KB4474419 required).
 NotCompatibleWithHVCI=This program is not compatible with HVCI (Core Isolation).
 IsDeleteData=Delete config & data files?

deploy/languages/custom/Italian.isl

@@ -14,5 +14,6 @@ UninstallPasswordOK=OK
 UninstallPasswordCancel=Cancel
 WrongPassword=Wrong password
 NotCompatibleWithWindows=This program is not compatible with Windows version (Windows 10 2004 or newer required).
+NotCompatibleWithWindows7=This program is not compatible with Windows 7 version (KB4474419 required).
 NotCompatibleWithHVCI=This program is not compatible with HVCI (Core Isolation).
 IsDeleteData=Delete config & data files?

deploy/languages/custom/Korean.isl

@@ -14,5 +14,6 @@ UninstallPasswordOK=OK
 UninstallPasswordCancel=Cancel
 WrongPassword=Wrong password
 NotCompatibleWithWindows=This program is not compatible with Windows version (Windows 10 2004 or newer required).
+NotCompatibleWithWindows7=This program is not compatible with Windows 7 version (KB4474419 required).
 NotCompatibleWithHVCI=This program is not compatible with HVCI (Core Isolation).
 IsDeleteData=Delete config & data files?

deploy/languages/custom/Portuguese.isl

@@ -14,5 +14,6 @@ UninstallPasswordOK=OK
 UninstallPasswordCancel=Cancel
 WrongPassword=Wrong password
 NotCompatibleWithWindows=This program is not compatible with Windows version (Windows 10 2004 or newer required).
+NotCompatibleWithWindows7=This program is not compatible with Windows 7 version (KB4474419 required).
 NotCompatibleWithHVCI=This program is not compatible with HVCI (Core Isolation).
 IsDeleteData=Delete config & data files?

deploy/languages/custom/Russian.isl

@@ -14,5 +14,6 @@ UninstallPasswordOK=OK
 UninstallPasswordCancel=Отмена
 WrongPassword=Wrong password
 NotCompatibleWithWindows=Эта программа несовместима с версией Windows (требуется Windows 10 2004 или новее).
+NotCompatibleWithWindows7=Эта программа несовместима с версией Windows 7 (требуется KB4474419).
 NotCompatibleWithHVCI=Эта программа несовместима с HVCI (Core Isolation).
 IsDeleteData=Удалить настройки и файлы данных?

deploy/languages/custom/Slovenian.isl

@@ -14,5 +14,6 @@ UninstallPasswordOK=OK
 UninstallPasswordCancel=Cancel
 WrongPassword=Wrong password
 NotCompatibleWithWindows=This program is not compatible with Windows version (Windows 10 2004 or newer required).
+NotCompatibleWithWindows7=This program is not compatible with Windows 7 version (KB4474419 required).
 NotCompatibleWithHVCI=This program is not compatible with HVCI (Core Isolation).
 IsDeleteData=Delete config & data files?