diff --git a/CLIENT_DATA/delsub3264.ins b/CLIENT_DATA/delsub3264.ins
index 4084cdb..735c1e6 100644
--- a/CLIENT_DATA/delsub3264.ins
+++ b/CLIENT_DATA/delsub3264.ins
@@ -4,10 +4,10 @@
 ; credits: http://www.opsi.org/credits/
 
 
-Set $UninstallProgram32$ = $InstallDir32$ + $uVersion$ + "\uninstall.exe"
-Set $UninstallProgram64$ = $InstallDir64$ + $uVersion$ + "\uninstall.exe"
-Set $OldUninstallProgram32$ = $InstallDir32$ + $OlduVersion32$ + "\uninstall.exe"
-Set $OldUninstallProgram64$ = $InstallDir64$ + $OlduVersion64$ + "\uninstall.exe"
+Set $UninstallProgram32$ = $InstallDir32$ + "\" + $uVersion$ + "\uninstall.exe"
+Set $UninstallProgram64$ = $InstallDir64$ + "\" + $uVersion$ + "\uninstall.exe"
+Set $OldUninstallProgram32$ = $InstallDir32$ + "\" + $OlduVersion32$ + "\uninstall.exe"
+Set $OldUninstallProgram64$ = $InstallDir64$ + "\" + $OlduVersion64$ + "\uninstall.exe"
 Set $IniFile32$ = $InstallDir32$ + "\opsi-" + $ProductId$ + ".ini"
 Set $IniFile64$ = $InstallDir64$ + "\opsi-" + $ProductId$ + ".ini"
 
diff --git a/CLIENT_DATA/setup3264.ins b/CLIENT_DATA/setup3264.ins
index 0b6dbed..92b5cbd 100644
--- a/CLIENT_DATA/setup3264.ins
+++ b/CLIENT_DATA/setup3264.ins
@@ -177,6 +177,8 @@ else
 		Message "Installing " + $ProductId$ + " 32 Bit..."
 		comment "Start setup program"
 		comment "Copy files"
+		comment "Stop Immunet Service"
+		Dosbatch_stop_immunet
 		Files_install_32 /32Bit
 		Winbatch_install_32
 		Sub_check_exitcode
@@ -269,6 +271,8 @@ else
 	if ($INST_SystemType$ = "64 Bit System") and (($INST_architecture$ = "system specific") or ($INST_architecture$ = "both") or ($INST_architecture$ = "64 only"))
 		Message "Installing " + $ProductId$ + " 64 Bit..."
 		comment "Start setup program"
+		comment "Stop Immunet Service"
+		Dosbatch_stop_immunet
 		comment "Copy files"
 		Files_install_64 /64Bit
 		Winbatch_install_64