Killing Floor 2 Perks Fail To Progress and Achievements do not unlock


This can happen if you are having trouble reaching the Xbox Live backend from your console. A few users who have had this issue have reported a profile restore on the system has solved it.
  1. Go to Settings, and then select Account.
  2. Select Remove Accounts.
  3. Select the gamertag that you want to delete.
  4. Select Delete.
  5. Select the following
  • Select Delete Profile Only. This deletes the profile but leaves saved games and achievements. (DO NOT SELECT THE OTHER OPTION TO DELETE SAVED GAMES AND ACHIEVEMENTS)
At this point, re-add the profile to the Xbox.
  1. Home button > far left to sign in and/or choose profile
  2. Choose Add New
  3. Login to account
Some users have reported experiencing this issue when using instant resume. Make sure to always starting a new game for each session and never use Xbox instant resume for this game if this seems to continue to be an issue.

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