The Russians let "General Winter" defeat him. Yes, their 2 great generals January & February ! Added to this was the predation of the cossack cavalry and ambush. The French Army was in no way able to survive the winter in Russia.
the naked mile
The Duke of Wellington with plenty of Prussian help.
The harsh winters of Russia played a crucial role in helping the country defeat Napoleon's invading army in 1812. The severe cold, combined with the lack of supplies and the scorched earth tactics employed by the Russians, led to significant hardships for the French troops. Similarly, the brutal winter conditions also contributed to the Soviet Union's resistance against Nazi Germany during World War II, particularly during the 1941-1942 campaign. These extreme weather conditions severely diminished the invaders' capabilities and morale.
Much of Napoleon's army were untrained and not prepared for battle, plus it didn't help that his generals refused to fight.
To deny him access to food, fuel, fodder and forage.
After the fight of the brave soldiers of Russia, thanks to the Nature, cold help us to win the invaders.
It tied down a large number of French Troops in garrison duty protecting their interests against guerrilla activity.
Much of Napoleon's army were untrained and not prepared for battle, plus it didn't help that his generals refused to fight.
It is very vague to ask what someone did not do, however I think you mean what he tried to do but failed. Napoleon tried to unify all of Europe, which he did, but eventually, Britain and Austria broke out and he did not defeat them. He was also unable to conquer Russia.
He had a strong way of using nationalism and people would be proud to be on his side because of so many successes. He used the feelings of Nationalism to help them defeat enemies.
He abdicated
the Russians