Ralf Rangnick insists he was aware of the challenges he would face as interim manager of Manchester United.
The German suffered his first defeat in charge of United against Wolves at Old Trafford on Wednesday.
United now sit in seventh on the Premier League table, 22 points behind leaders Manchester City.
Asked if United could still make the top-four, Rangnick said: "I cannot make any guarantees.
"Look at today's performance if I say we are 100% convinced we will finish in the top four I don't know if people will believe that. For me it is about taking the next steps and getting better.
"I knew this could be and would be hard but today's game showed we still have a long way to go."
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