Cannot Update My Adt Plugin To V23.0.3

I am trying to update ADT Plugin from version 22.3.0 to 23.0.3. But I'm getting this message everytime I try to update from within eclipse (from 'Help->Install new software'). I

Solution 1:

I had the exact same issue, and after messing with various solutions posted on SO, I just wiped my existing installation (hint: save the SDK folder is a seperate location, and then copy it back to you install so you don't have to download every SDK again).

Seems like this is the quickest way to recover from upgrade issues (at least for me) - to just install a new instance from scratch using the download bundle.