diff --git a/ChangeLog.txt b/ChangeLog.txt
index ed58701c0..6e5881241 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -1,3 +1,6 @@
+# Version 0.7.43 (unreleased)
+- Improve Windows installer. Avoid crashing on checking if a program is still running.
+
 # Version 0.7.42 Jan 26, 2021
 - Fix export of pattern recipe.
 - Update translations.
diff --git a/dist/win/inno/valentina.iss b/dist/win/inno/valentina.iss
index 053625e54..5bf98371c 100644
--- a/dist/win/inno/valentina.iss
+++ b/dist/win/inno/valentina.iss
@@ -1,10 +1,10 @@
-; Script generated by the Inno Script Studio Wizard.
+; Script generated by the Inno Script Studio Wizard.
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
 #define MyAppName "Valentina"
 #define MyAppVersion GetFileVersion('valentina\valentina.exe')
 #define MyAppPublisher "Roman Telezhynskyi"
-#define MyAppURL "http://valentinaproject.bitbucket.io/"
+#define MyAppURL "https://valentinaproject.bitbucket.io/"
 #define MyAppExeName "valentina.exe"
 #define MyAppCopyright "(C) 2013-2020 Valentina project"
 #define MyDateTimeString GetDateTimeString('yyyymmddhhnnss', '', '');
@@ -30,7 +30,7 @@ DefaultGroupName={#MyAppName}
 LicenseFile=.\LICENSE_VALENTINA
 InfoAfterFile=.\valentina\README.txt
 OutputDir=.\
-OutputBaseFilename=valentina_{#MyAppVersion}{#MyAppStatus}-{#MyDateTimeString}
+OutputBaseFilename=valentina_{#MyAppVersion}{#MyAppStatus}_i386
 SetupIconFile=.\valentina\valentina.ico
 UninstallDisplayIcon={app}\valentina.ico
 Compression=lzma
@@ -358,6 +358,12 @@ russian.QuestionRemoveAnyExistingSettings = Вы хотите удалить с
 ukrainian.QuestionRemoveAnyExistingSettings = Видалити будь-які існуючі налаштування?
 german.QuestionRemoveAnyExistingSettings = Möchten Sie vorhandene Einstellungen entfernen?
 
+ErrorFindApp = Unable to check if a program is running. Please, close the program before continue and press OK to continue the installation.
+english.ErrorFindApp = Unable to check if a program is running. Please, close the program before continue and press OK to continue the installation.
+russian.ErrorFindApp = Невозможно проверить, запущена ли программа. Пожалуйста, закройте программу перед продолжением и нажмите OK, чтобы продолжить установку.
+ukrainian.ErrorFindApp = Неможливо перевірити, чи запущена програма. Будь ласка, закрийте програму перед продовженням та натисніть OK, щоб продовжити встановлення.
+german.ErrorFindApp = Es kann nicht geprüft werden, ob ein Programm läuft. Bitte schließen Sie das Programm, bevor Sie fortfahren, und drücken Sie OK, um die Installation fortzusetzen.
+
 [Code]
 const
 
@@ -399,15 +405,22 @@ var
   WMIService: Variant;
   WbemLocator: Variant;
   WbemObjectSet: Variant;
+  InstallationFindAppMessage: String;
 begin
-  WbemLocator := CreateOleObject('WbemScripting.SWbemLocator');
-  WMIService := WbemLocator.ConnectServer('localhost', 'root\CIMV2');
-  WbemObjectSet := WMIService.ExecQuery('SELECT * FROM Win32_Process Where Name="' + AppName + '"');
-  if not VarIsNull(WbemObjectSet) and (WbemObjectSet.Count > 0) then
-  begin
-    Result := True;
-  end
-  else begin
+  try
+    WbemLocator := CreateOleObject('WbemScripting.SWbemLocator');
+    WMIService := WbemLocator.ConnectServer('localhost', 'root\CIMV2');
+    WbemObjectSet := WMIService.ExecQuery('SELECT * FROM Win32_Process Where Name="' + AppName + '"');
+    if not VarIsNull(WbemObjectSet) and (WbemObjectSet.Count > 0) then
+    begin
+      Result := True;
+    end
+    else begin
+      Result := False;
+    end;
+  except
+    InstallationFindAppMessage := ExpandConstant('{cm:ErrorFindApp}');
+    MsgBox( InstallationFindAppMessage, mbError, MB_OK );
     Result := False;
   end;
 end;