diff --git a/CLIENT_DATA/delsub3264.ins b/CLIENT_DATA/delsub3264.ins
index 473617d..91672b2 100644
--- a/CLIENT_DATA/delsub3264.ins
+++ b/CLIENT_DATA/delsub3264.ins
@@ -80,26 +80,26 @@ if $Reboot$="1"
 endif
 
 [Winbatch_uninstall_old_32]
-"$UninstallProgramOld32$" /x /s
+"$UninstallProgramOld32$" /s /u
 
 [Winbatch_uninstall_32]
-"$UninstallProgram32$" /x /s
+"$UninstallProgram32$" /s /u
 
 [Files_uninstall_32]
 ; Example for recursively deleting the installation directory (don't forget the trailing backslash):
 ;
-delete -sf "$InstallDir32$\"
+; delete -sf "$InstallDir32$\"
 
 [Winbatch_uninstall_old_64]
-"$UninstallProgramOld64$" /x /s
+"$UninstallProgramOld64$" /s /u
 
 [Winbatch_uninstall_64]
-"$UninstallProgram64$" /x /s
+"$UninstallProgram64$" /s /u
 
 [Files_uninstall_64]
 ; Example for recursively deleting the installation directory:
 ;
-del -sf "$InstallDir64$\"
+; del -sf "$InstallDir64$\"
 
 [Registry_uninstall]
 ; Example of deleting a registry key:
diff --git a/CLIENT_DATA/setup3264.ins b/CLIENT_DATA/setup3264.ins
index efb3b9b..d1da401 100644
--- a/CLIENT_DATA/setup3264.ins
+++ b/CLIENT_DATA/setup3264.ins
@@ -101,7 +101,7 @@ else
 endif
 
 [Winbatch_install_32]
-"$Install32Exe$" /s /runwgacheck
+"$Install32Exe$" /s /o /runwgacheck
 
 [Files_install_32]
 ; copy the ini file to the InstallDir
@@ -112,7 +112,7 @@ copy "$IniCfgFile$" "$InstallDir32$"
 ; copy -s "%ScriptPath%\files\*.*" "$InstallDir32$"
 
 [Winbatch_install_64]
-"$Install64Exe$" /s /runwgacheck
+"$Install64Exe$" /s /o /runwgacheck
 
 [Files_install_64]
 ; copy the ini file to the InstallDir