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 Blog

Interesting discussions and guidelines about Assetto Corsa Competizione

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:
    31,700
    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:
    84,504
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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  1.   » Sticky Threads
  2. Aristotelis
    Sticky

    DOCS The ACC V1.9.0 physics notes document

    Aristotelis, Apr 19, 2023
    Replies:
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    Views:
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  3. Minolin
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    Apr 30, 2023
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    Sticky

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    Locked Sticky

    DOCS Guide to Team Racing and Driver Swaps in ACC

    pankykapus, Aug 10, 2020
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    Views:
    11,164
    pankykapus
    pankykapus
    Aug 10, 2020
  6. Ecnelis
    Sticky

    ACC Blog Aris Drives

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    Ecnelis
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  7. Minolin
    Locked Sticky

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    pankykapus
    May 7, 2024 at 11:25 AM
  8. Fernando Barbarossa
    Sticky

    DOCS ACC Shared Memory Documentation

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  9. pankykapus
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    pankykapus, Jul 9, 2019
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    Views:
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    Coanda
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    Feb 25, 2020
  10. Aristotelis
    Locked Sticky

    ACC Blog The new ACC blog subforum and how to use it

    Aristotelis, Jul 5, 2019
    Replies:
    0
    Views:
    12,121
    Aristotelis
    Aristotelis
    Jul 5, 2019
  11. Minolin
    Sticky

    DOCS The Server Admin Handbook thread

    Minolin, Jun 10, 2019 ... 60 61 62
    Replies:
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    Views:
    166,797
    Jörg Kruft
    Jörg Kruft
    Jan 30, 2024
  12. Aristotelis
    Sticky

    PHYSICS Brake ducts and Tyre damage

    Aristotelis, Apr 3, 2019 ... 6 7 8
    Replies:
    141
    Views:
    86,203
    AndyK70
    AndyK70
    Mar 25, 2022
  13. Aristotelis
    Sticky

    PHYSICS ECU maps implementation

    Aristotelis, Jan 16, 2019 ... 19 20 21
    Replies:
    419
    Views:
    435,868
    Doug Duthie
    Doug Duthie
    May 7, 2024 at 10:56 PM
  14.   » Normal Threads
  15. pankykapus

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    pankykapus, Feb 9, 2021
    Replies:
    0
    Views:
    2,382
    pankykapus
    pankykapus
    Feb 9, 2021
  16. Minolin

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    Minolin, Dec 9, 2020 ... 2
    Replies:
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    Views:
    7,765
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    Jan 25, 2022
  17. Aristotelis

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    Aristotelis, Nov 18, 2020
    Replies:
    6
    Views:
    5,198
    AndyK70
    AndyK70
    Nov 19, 2020
  18. Aristotelis

    PHYSICS ACC V1.6 improved tyre model and DHE 2020 compound!

    Aristotelis, Nov 18, 2020 ... 3 4 5
    Replies:
    94
    Views:
    30,246
    Dufloth
    Dufloth
    Jun 21, 2021
  19. Minolin
    Locked

    MULTIPLAYER GT4 in Multiplayer and Competition Servers - Changes in Version 1.5

    Minolin, Jul 15, 2020 ... 2
    Replies:
    24
    Views:
    8,470
    archjuh
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    Oct 29, 2020
  20. Aristotelis

    PHYSICS Chassis flex

    Aristotelis, Dec 17, 2019 ... 2
    Replies:
    27
    Views:
    11,285
    Hind Sigh
    Hind Sigh
    Feb 22, 2020
  21. Minolin
    Locked

    ACC Blog 1.2 Multiplayer & Rating changes

    Minolin, Nov 14, 2019 ... 2
    Replies:
    20
    Views:
    10,473
    not_him_59
    not_him_59
    Mar 21, 2020
  22. Minolin
    Locked

    MULTIPLAYER 1.2 - Competition Server changes

    Minolin, Nov 4, 2019 ... 31 32 33
    Replies:
    640
    Views:
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    Mar 7, 2021
  23. pankykapus

    DOCS TrackIR how-to

    pankykapus, Jul 31, 2019 ... 4 5 6
    Replies:
    103
    Views:
    54,994
    bells0
    bells0
    Oct 2, 2023
  24. Aristotelis

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    Aristotelis, Jul 18, 2019 ... 9 10 11
    Replies:
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    Views:
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    Sergio Rafael Lemke
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  25. Aristotelis

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  26. Aristotelis

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    Aristotelis, Jun 8, 2019 ... 2 3 4
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    Replies:
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    Views:
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    Aristotelis, Jun 4, 2019 ... 2 3 4
    Replies:
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    Views:
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  29. Aristotelis

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    Aristotelis, Jun 3, 2019 ... 5 6 7
    Replies:
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    Views:
    53,055
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  30. Minolin
    Locked

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    Minolin, May 24, 2019 ... 21 22 23
    Replies:
    459
    Views:
    87,944
    Zimac
    Zimac
    Jun 8, 2020
  31. AC Support
    Locked

    DOCS About Matchmaking feature in ACC

    AC Support, May 20, 2019 ... 3 4 5
    Replies:
    97
    Views:
    15,657
    Alistair McKinley
    Alistair McKinley
    May 29, 2019
  32. Minolin
    Locked

    DOCS 0.7 Rating, Multiplayer & eSports event notes

    Minolin, Apr 3, 2019 ... 13 14 15
    Replies:
    298
    Views:
    45,127
    Salvatore Amato
    Salvatore Amato
    Jun 20, 2020
  33. Aristotelis

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    Aristotelis, Mar 4, 2019 ... 37 38 39
    Replies:
    774
    Views:
    257,636
    reinum
    reinum
    Nov 18, 2023
  34. Minolin
    Locked

    MULTIPLAYER Update 0.6 - MP & Ratings Rebooted

    Minolin, Feb 27, 2019 ... 12 13 14
    Replies:
    271
    Views:
    30,864
    menos | M6
    menos | M6
    Jun 5, 2019
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