diff --git a/builds/win32/install_classic.bat b/builds/win32/install_classic.bat
index e7ff8e63a0..b16fdd5b55 100644
--- a/builds/win32/install_classic.bat
+++ b/builds/win32/install_classic.bat
@@ -1,2 +1,3 @@
-instreg install c:\opt\firebird -z
-instsvc install c:\opt\firebird -auto -classic -g -z
\ No newline at end of file
+instreg install -z
+instsvc install -auto -classic -guardian -z
+instsvc start
diff --git a/builds/win32/install_super.bat b/builds/win32/install_super.bat
index 70ffe0ef84..32760b8703 100644
--- a/builds/win32/install_super.bat
+++ b/builds/win32/install_super.bat
@@ -1,3 +1,3 @@
-instreg install c:\opt\firebird -z
-instsvc install c:\opt\firebird -auto -superserver -g -z
+instreg install -z
+instsvc install -auto -superserver -guardian -z
 instsvc start