Renew Expired Digital ID?

Giganews Newsgroups
Subject: Renew Expired Digital ID?
Posted by:  ctc (c…
Date: Wed, 4 Feb 2009

Once upon a time I created a self signed Windows Default Certificate Digital
ID and stored it in the Windows Certificate Store using Acrobat 7

That Digital ID has now expired.

Is there a way to renew that ID, or should I just remove it and create a new
one to replace it?