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

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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:
    31,490
    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 Deleted by AC Support, Nov 28, 2021, Reason: No longer valid.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:
    84,388
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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WORKAROUND BUG ISSUE CRITICAL
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  1. ShodanCat

    FIXED Large intermittent stutters with high end PC

    ShodanCat, Feb 6, 2020 ... 10 11 12
    Replies:
    239
    Views:
    10,276
    Tom Shane
    Tom Shane
    Oct 6, 2020
  2. ⎝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
  3. 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
  4. Captain Slow 66

    FIXED [Merged threads] Logitech G923 Trueforce crash

    Captain Slow 66, Oct 23, 2020 ... 2 3
    Replies:
    48
    Views:
    1,331
    Dat Guy Tom
    Dat Guy Tom
    Nov 20, 2020
  5. NilisW
    Locked

    FIXED Special Events not showing

    NilisW, Dec 15, 2020 ... 2 3
    Replies:
    44
    Views:
    1,983
    Grappolus
    Grappolus
    Feb 13, 2021
  6. fsuarez79

    FIXED Can you please solve these game freezes?

    fsuarez79, Jun 3, 2019 ... 2
    Replies:
    38
    Views:
    1,021
    ralle1117
    ralle1117
    Jun 14, 2019
  7. 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
  8. Ninety3

    FIXED Crash when saving car setup, controls config or video profile

    Ninety3, Feb 5, 2020 ... 2
    Replies:
    30
    Views:
    656
    Gopher04
    Gopher04
    Feb 5, 2020
  9. Kwisatz Haderach
    Locked

    FIXED UE4 Fatal Error 1.9 --- CP race registration

    Kwisatz Haderach, Apr 19, 2023 ... 2
    Replies:
    27
    Views:
    777
    NewClearBomb
    NewClearBomb
    Apr 27, 2023
  10. Glk73

    FIXED FPS Drop Off

    Glk73, Jan 4, 2020 ... 2
    Replies:
    24
    Views:
    947
    kouki46
    kouki46
    Feb 18, 2020
  11. Dave Courtley
    Locked

    FIXED Error with latest Update [Missing Microsoft Visual C++ Runtime from Steam app]

    Dave Courtley, Nov 24, 2021 ... 2
    Replies:
    21
    Views:
    318
    Blacknach
    Blacknach
    Nov 25, 2021
  12. FruchtigerZwerg

    FIXED 1.1.2 Hotfix Update Championship

    FruchtigerZwerg, Oct 29, 2019 ... 2
    Replies:
    21
    Views:
    676
    Nephodin
    Nephodin
    Nov 2, 2019
  13. redadeg

    FIXED Dissable driver names over the cars?

    redadeg, Nov 15, 2018
    Replies:
    19
    Views:
    596
    AC Support
    AC Support
    Nov 20, 2018
  14. EsxPaul

    FIXED Car flipping over before driving when saved setup is loaded

    EsxPaul, Apr 25, 2020
    Replies:
    18
    Views:
    332
    Kris.May
    Kris.May
    May 16, 2020
  15. djr76

    FIXED Driver Profile not updating

    djr76, Oct 6, 2019
    Replies:
    17
    Views:
    399
    Irpus
    Irpus
    Oct 28, 2019
  16. giles_watkins

    FIXED Special events not available

    giles_watkins, Aug 4, 2022
    Replies:
    16
    Views:
    442
    Michael Carter
    Michael Carter
    May 26, 2023
  17. Philippe Martin

    FIXED Error UE4-AC2 game has crashed and will .....

    Philippe Martin, May 11, 2023
    Replies:
    16
    Views:
    294
    Philippe Martin
    Philippe Martin
    May 14, 2023
  18. sps_for_race

    FIXED [1.0.6] Special Event #37 doesn´t load then crash, logs attached

    sps_for_race, Jul 15, 2019
    Replies:
    14
    Views:
    196
    sps_for_race
    sps_for_race
    Aug 13, 2019
  19. Infected Space

    FIXED ACC still not working with new beta build

    Infected Space, Jun 14, 2019
    Replies:
    14
    Views:
    361
    Infected Space
    Infected Space
    Jun 14, 2019
  20. GONKO

    FIXED UE4 crashing on loading championship - 2nd weekend

    GONKO, Aug 24, 2021
    Replies:
    13
    Views:
    194
    pankykapus
    pankykapus
    Sep 9, 2021
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