Manchester United boss Erik ten Hag admits his players cannot afford to dwell on their poor form.
After defeat at home to Crystal Palace on Saturday, United are again at Old Trafford against Champions League opponents Galatasaray.
Ten Hag said: "We are disappointed with the result. You have to analyse the game and move forward.
"I think the team is moving forward; you have to make adjustments. We don't have a full-back on the left side. There are shortages in our game.
"A lot of positives, but at the end of the day it is about results and we didn't get it."
Ten Hag also discussed Marcus Rashford's lack of goals this season.
The manager added: "The facts are he is not scoring in this moment, but he had opportunities.
"He had five or six chances against Brighton and if he works hard, if he invests, every day, goes with the right focus and if the team around him supply and help him and support him with movement then it will come. Marcus is a player who is capable of scoring goals in every game and when he comes in the right spot, he will score."