diff --git a/CLIENT_DATA/delsub32.ins b/CLIENT_DATA/delsub32.ins
index 3549085..849e613 100644
--- a/CLIENT_DATA/delsub32.ins
+++ b/CLIENT_DATA/delsub32.ins
@@ -39,6 +39,7 @@ comment "Delete program shortcuts"
 LinkFolder_uninstall
 
 [Winbatch_uninstall_old]
+"%ProgramFiles32Dir%\Mozilla Maintenance Service\Uninstall.exe” /S /v”qn”
 "$UninstallProgramOld$" -ms
 
 [Winbatch_uninstall]
diff --git a/CLIENT_DATA/mozilla.cfg b/CLIENT_DATA/mozilla.cfg
new file mode 100644
index 0000000..60ae5ce
--- /dev/null
+++ b/CLIENT_DATA/mozilla.cfg
@@ -0,0 +1,2 @@
+lockPref("app.update.auto", false);
+lockPref("app.update.enabled", false);
diff --git a/CLIENT_DATA/setup32.ins b/CLIENT_DATA/setup32.ins
index 78b865d..5a8e7d9 100644
--- a/CLIENT_DATA/setup32.ins
+++ b/CLIENT_DATA/setup32.ins
@@ -76,15 +76,13 @@ else
 endif
 
 [Winbatch_install]
+REG ADD HKLM\SOFTWARE\Mozilla\MaintenanceService /v Attempted /t REG_DWORD /d 1 /f
 "$InstallExe$" -ms
 
 [Files_install]
 ; copy the ini file to the InstallDir
 copy "$IniCfgFile$" "$InstallDir$"
-
-; Example of recursively copying some files into the installation directory:
-;
-; copy -s "%ScriptPath%\files\*.*" "$InstallDir$"
+copy -s "%ScriptPath%\*.cfg" "$InstallDir$"
 
 [Registry_install]
 ; Example of setting some values of an registry key: