Index: win_installer/src/installer.nsi
===================================================================
diff -u -re9e7b8b3c5e8082cb2c33d6de052bba33ec72a07 -rcf7f110bc5875157e184fa4de24443827556304b
--- win_installer/src/installer.nsi	(.../installer.nsi)	(revision e9e7b8b3c5e8082cb2c33d6de052bba33ec72a07)
+++ win_installer/src/installer.nsi	(.../installer.nsi)	(revision cf7f110bc5875157e184fa4de24443827556304b)
@@ -263,6 +263,7 @@
         ${If} $0 != 0
             DetailPrint "Failed to expand jsMath.war."
         ${EndIf}
+        Delete "$TEMP\jsMath.war"
     SectionEnd
 SectionGroupEnd