diff --git a/Opera/9.64/install_test.ahk b/Opera/9.64/install_test.ahk
index a67ac28..14502f7 100644
--- a/Opera/9.64/install_test.ahk
+++ b/Opera/9.64/install_test.ahk
@@ -298,8 +298,10 @@ if bContinue
         TestsFailed("'Opera 9.64 - InstallShield Wizard (InstallShield Wizard Completed)' window failed to appear.")
     else
     {
-        SendInput, {TAB} ; Focus 'Run Opera when I press Finish'
-        SendInput, {SPACE}
+        ; SendInput, {TAB} ; Focus 'Run Opera when I press Finish'
+        ; SendInput, {SPACE} ; Uncheck the checkbox
+        SendMessage, 0x201, 0, 0, Button3
+        SendMessage, 0x202, 0, 0, Button3
         ControlGet, bChecked, Checked, Button3
         if bChecked = 1
             TestsFailed("'Run Opera when I press Finish' checkbox in 'Opera 9.64 - InstallShield Wizard (InstallShield Wizard Completed)' window reported as unchecked, but further inspection proves that it was still checked.")