The Premier League champions were found guilty of “serious breaches" of Financial Fair Play, which also resulted in a €30m fine.
They will appeal the ruling at the Court of Arbitration for Sport – insisting their name will be cleared.
Asked if he'd received any messages of support from within the game, he answered bluntly: “No."
He added: “We cannot change what people think. I know how hard we work.
“I am so proud about how hard we've worked all these years.
“No one helped us outside, we did it day by day, game by game.
“This is not finished, it's not over, we appeal as a club and we see what happens."