2013-07-26, 21:16 (This post was last modified: 2013-07-26, 21:18 by artrafael.)
Welcome to the XBMC forums.
Is it the video add-ons that stopped working or is it XBMC as a whole? Are these videos located on a local drive? a network drive on your home network (file server)? or are you talking about streaming media only? In any case, start by looking in your debug log(wiki) to see what may be amiss.