ShadowBot does not have the ability to reset your keys. You need to go to your Wallet and reset your "password" which will reset all your keys on (or use a cli program to reset the key if you know how to).

That is preciselly what I did, but I'm not able to change them at
PS: Forgot my old key!

I do not see you signed up currently (you possibly were removed due to your key being invalid). If you are trying to access simply re-signup and you should be back in action:

seems like re-registering did the trick! thanks! :D

Curious I don't see you on cheetah's blacklist, yet seems they are downvoting your posts..