1. Do you need support for Assetto Corsa Competizione? Please use the proper forum below and ALWAYS zip and attach the WHOLE "Logs" folder in your c:\users\*youruser*\AppData\Local\AC2\Saved. The "AppData" folder is hidden by default, check "Hidden items" in your Windows view properties. If you report a crash, ALWAYS zip and attach the WHOLE "Crashes" folder in the same directory. Do not post "I have the same issue" in an existing thread with a game crash, always open your own thread. Do not PM developers and staff members for personal troubleshooting and support.
  2. As part of our continuous maintenance and improvements to Assetto Corsa Competizione we will be releasing small updates on a regular basis during the esports season which might not go through the usual announcement process detailing the changes until a later version update where these changes will be listed retrospectively.
  3. If ACC doesn't start with an error or the executable is missing, please add your entire Steam directory to the exceptions in your antivirus software, run a Steam integrity check or reinstall the game altogether. Make sure you add the User/Documents/Assetto Corsa Competizione folder to your antivirus/Defender exceptions and exclude it from any file sharing app (GDrive, OneDrive or Dropbox)! The Corsair iCue software is also known to conflict with Input Device initialization, if the game does not start up and you have such devices, please try disabling the iCue software and try again. [file:unknown] [line: 95] secure crt: invalid error is a sign of antivirus interference, while [Pak chunk signing mismatch on chunk] indicates a corrupted installation that requires game file verification.
  4. When reporting an issue with saved games, please always zip and attach your entire User/Documents/Assetto Corsa Competizione/Savegame folder, along with the logs and the crash folder (when reporting related to a crash).
ACC general support Note about silent updates Startup troubleshooting ACC savegame reports

ACC Troubleshooting

Please report here crashes and general issues

Announcement Title Start Date
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  1. pankykapus
    Locked Sticky

    READ HERE How to Use the Support Forums and Report Issues

    pankykapus, Sep 12, 2018
    Replies:
    1
    Views:
    31,531
    pankykapus
    pankykapus
    Jan 3, 2021
  2. AC Support
    Locked Sticky

    This thread, started by AC Support, has been deleted. Deleted by AC Support, Nov 28, 2021, Reason: No longer valid.
    View
  3. paulieGTR
    Locked Sticky

    Before Posting - Read the FAQs and Use Search Function

    paulieGTR, Nov 10, 2013
    Replies:
    1
    Views:
    84,416
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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WORKAROUND BUG ISSUE CRITICAL
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  1. AT_RubberDuck

    FIXED Fatal Error after one hour hotlaping

    AT_RubberDuck, Oct 13, 2018
    Replies:
    0
    Views:
    45
    AT_RubberDuck
    AT_RubberDuck
    Oct 13, 2018
  2. Hany

    FIXED Fatal error crash

    Hany, Oct 13, 2018
    Replies:
    0
    Views:
    93
    Hany
    Hany
    Oct 13, 2018
  3. The Italian Stig

    FIXED Fatal error crash after 29 mins race

    The Italian Stig, Oct 13, 2018
    Replies:
    8
    Views:
    218
    AC Support
    AC Support
    Oct 16, 2018
  4. Supercyco

    FIXED Fatal error MP after update

    Supercyco, Jun 1, 2019
    Replies:
    4
    Views:
    139
    Supercyco
    Supercyco
    Jun 2, 2019
  5. xTete

    FIXED Fatal error UE4CC [when loading replays from the gallery]

    xTete, Nov 22, 2020
    Replies:
    0
    Views:
    51
    xTete
    xTete
    Nov 22, 2020
  6. viewtiful_

    FIXED Fatal Fatal error game crash almost every 30 mins during playing.

    viewtiful_, Oct 12, 2018
    Replies:
    0
    Views:
    62
    viewtiful_
    viewtiful_
    Oct 12, 2018
  7. WallyM
    Locked

    FIXED Forum title is mispelled

    WallyM, Sep 23, 2018
    Replies:
    10
    Views:
    330
    cerebralvortex
    cerebralvortex
    Sep 23, 2018
  8. nrc689

    FIXED Fps drop (log)

    nrc689, Jan 21, 2020
    Replies:
    3
    Views:
    260
    nrc689
    nrc689
    Feb 13, 2020
  9. Glk73

    FIXED FPS Drop Off

    Glk73, Jan 4, 2020 ... 2
    Replies:
    24
    Views:
    947
    kouki46
    kouki46
    Feb 18, 2020
  10. KrypticTMG
    Locked

    FIXED Game Crashes everytime i save setup

    KrypticTMG, Feb 5, 2020
    Replies:
    1
    Views:
    96
    Mach77
    Mach77
    Feb 5, 2020
  11. luxxx797
    Locked

    FIXED Game crashes in multiplayer

    luxxx797, Jan 16, 2019
    Replies:
    7
    Views:
    131
    Crashy
    Crashy
    Jan 16, 2019
  12. PabloEK

    FIXED Game crashes on v1.8.18

    PabloEK, Aug 22, 2022 ... 2 3
    Replies:
    48
    Views:
    1,299
    Captain Slow 66
    Captain Slow 66
    Aug 23, 2022
  13. piet.quintens

    FIXED Game crashes when starting race 2 in career mode

    piet.quintens, Jun 1, 2019
    Replies:
    0
    Views:
    32
    piet.quintens
    piet.quintens
    Jun 1, 2019
  14. r_taq

    FIXED Game crashes/gets stuck when loading session.

    r_taq, May 29, 2020
    Replies:
    3
    Views:
    120
    pankykapus
    pankykapus
    May 30, 2020
  15. ⎝Ice_Crusherrino⎠
    Locked

    FIXED Game freezing in MP with FFB going crazy [Log spam matrix NAN values] - Claim fixed on 1.8.4

    ⎝Ice_Crusherrino⎠, Nov 24, 2021 ... 3 4 5
    Replies:
    80
    Views:
    2,741
    RyanJarman
    RyanJarman
    Nov 28, 2021
  16. Zenzenzic

    FIXED Game hangs when loading Career or Champs when auto-saved between sessions

    Zenzenzic, Nov 24, 2021 ... 2
    Replies:
    33
    Views:
    876
    Besnier
    Besnier
    Dec 13, 2021
  17. David Danser
    Locked

    FIXED game keeps crashing [RESOLVED: Temporary backend server error]

    David Danser, Feb 25, 2021
    Replies:
    3
    Views:
    135
    pankykapus
    pankykapus
    Feb 25, 2021
  18. Gopher04

    FIXED Headlights

    Gopher04, Sep 12, 2018
    Replies:
    8
    Views:
    338
    Gopher04
    Gopher04
    Sep 14, 2018
  19. FJ Astur

    FIXED I found this today

    FJ Astur, Oct 18, 2019
    Replies:
    5
    Views:
    363
    FJ Astur
    FJ Astur
    Oct 18, 2019
  20. notsomahsoom/Twitch

    FIXED Incorrect Documentation for Max Steering Angle of BMW M4 GT3

    notsomahsoom/Twitch, Nov 29, 2021
    Replies:
    1
    Views:
    117
    pankykapus
    pankykapus
    Nov 29, 2021
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