1) First off, delete C:\Program Files\Common Files\Adobe\Adobe PCD\cache\cache.db
-nota: C:\archivos de programas\archivos comunes\adobe\adobe pcd\cache\cache.db
2) Then run any of the CS3 (Encore in your case) programs. Click Accept to continue, then enter your serial that used to work. BEFORE clicking next, you'll notice that you have a NEW cache.db file in C:\Program Files\Common Files\Adobe\Adobe PCD\cache
3) Right click the file, go to properties and make it READ ONLY, and then click next on CS3 after entering your key.
4) Next, after you get to the register software screen.


