diff --git a/Installer.iss b/Installer.iss
index e5d06fb37..02a8e2f6a 100644
--- a/Installer.iss
+++ b/Installer.iss
@@ -19,6 +19,9 @@ AppPublisher={#MyAppPublisher}
 AppPublisherURL={#MyAppURL}
 AppSupportURL={#MyAppURL}
 AppUpdatesURL={#MyAppURL}
+CloseApplications=yes
+CloseApplicationsFilter=*.chm
+RestartApplications=no
 DefaultDirName={commonappdata}\{#MyAppName}
 DefaultGroupName={#MyAppName}
 DisableProgramGroupPage=yes
@@ -30,6 +33,7 @@ UninstallDisplayName={#MyAppName}
 Compression=lzma
 SolidCompression=yes
 DisableDirPage=yes
+WizardStyle=modern
 
 [Languages]
 Name: "english"; MessagesFile: "compiler:Default.isl"
@@ -47,6 +51,13 @@ Name: "{group}\{#MyAppName}"; Filename: "{commonappdata}\Jackett\{#MyAppExeName}
 Name: "{group}\{cm:UninstallProgram,{#MyAppName}}"; Filename: "{uninstallexe}"
 Name: "{commondesktop}\{#MyAppName}"; Filename: "{commonappdata}\Jackett\{#MyAppExeName}"; Tasks: desktopicon
 
+[Code]
+Procedure RegisterExtraCloseApplicationsResources();
+Begin
+  RegisterExtraCloseApplicationsResource(False, ExpandConstant('{app}\JackettService.exe'));
+  RegisterExtraCloseApplicationsResource(False, ExpandConstant('{app}\{#MyAppExeName}'));
+End;
+
 [Run]
 Filename: "{commonappdata}\Jackett\JackettConsole.exe"; Parameters: "--Uninstall"; Flags: waituntilterminated runhidden;
 Filename: "{commonappdata}\Jackett\JackettConsole.exe"; Parameters: "--ReserveUrls"; Flags: waituntilterminated runhidden;