Upon reaching this level, autosave will not function and attempting to save manually will lead to a freeze.
Users on both the Far Cry 4 forums and our own Chatty community have observed that the crash occurs when your character is at Karma level 8. Unfortunately, PC patch 1.6.0 seems to have introduced some major bugs that are not allowing players to save their progress. Original story: Ubisoft recently released a new patch for Far Cry 4 on PC. Update: Ubisoft would rather not be known as the ones that ruined Christmas for PC users, so a post on the Far Cry 4 forums notes that a hotfix is incoming and should be deployed shorly.
