diff --git a/include/urlmon.idl b/include/urlmon.idl
index 140852ac0ef..85444f9e1c7 100644
--- a/include/urlmon.idl
+++ b/include/urlmon.idl
@@ -540,6 +540,39 @@ interface IWindowForBindingUI : IUnknown
         [out] HWND *phwnd);
 }
 
+/*****************************************************************************
+ * ICodeInstall interface
+ */
+[
+    local,
+    object,
+    uuid(79eac9d1-baf9-11ce-8c82-00aa004ba90b),
+    pointer_default(unique)
+]
+interface ICodeInstall : IWindowForBindingUI
+{
+    typedef [unique] ICodeInstall *LPCODEINSTALL;
+
+    typedef enum {
+        CIP_DISK_FULL,
+        CIP_ACCESS_DENIED,
+        CIP_NEWER_VERSION_EXISTS,
+        CIP_OLDER_VERSION_EXISTS,
+        CIP_NAME_CONFLICT,
+        CIP_TRUST_VERIFICATION_COMPONENT_MISSING,
+        CIP_EXE_SELF_REGISTERATION_TIMEOUT,
+        CIP_UNSAFE_TO_ABORT,
+        CIP_NEED_REBOOT,
+        CIP_NEED_REBOOT_UI_PERMISSION
+    } CIP_STATUS;
+
+    HRESULT OnCodeInstallProblem(
+            [in] ULONG ulStatusCode,
+            [in, unique] LPCWSTR szDestination,
+            [in, unique] LPCWSTR szSource,
+            [in] DWORD dwReserved);
+}
+
 /*****************************************************************************
  * IHttpSecurity interface
  */