Saving page in SharePoint Designer gives JavaScript error

When you try to save document in SharePoint designer - the JavaScript error started raising.

I found that it occurred after a cumulative update SharePoint 2010 - KB2597132.

The solution to fixed it was -

1.Copying files:

FORM.JS
INIT.JS
CORE.JS
BFORM.JS
OWS.JS

from an environment where it works to : "../LAYOUTS/1033".

2.Reset the IE settings