Essaie de valider les fichiers du jeu, ou de le réinstaller.
Si ça ne marche pas tu as une FAQ en anglais avec la majorité des problèmes.
Voilà ce que dit un des développeurs du jeu :
Have you tried to verify your game files? A corrupt or missing file might cause a crash.
If the verify did not work you might need to do a clean re-installation, even the verify might miss corrupted files.
Read the FAQ for information about how to do a verify.
If it still doesn't work read the Known Issues if any of the solutions listed there might help.
Some common issue that are listed in among Known Issues are:
The game using the Intel HD GPU
The game not starting on Windows 10
Finally, If nothing works read the FAQ on how to locate your latest crash log.
Once you find the log, post it here.
We can't help you without you crash log.
Here is a link to Known Issues:
http://steamcommunity.com/app/218620/discussions/14/412446292758934434/
Here is a link to the FAQ:
https://steamcommunity.com/app/218620/discussions/14/412446292758948285/
Avant tout, poste ton crashlog. Tu peux le trouver dans C:\Users\(ton nom de compte Windows)\AppData\Local\PAYDAY 2, c'est le fichier crash.txt.
Il faut afficher les dossiers cachés pour y accéder.