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

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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:
    31,429
    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:
    84,360
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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  1.   » Sticky Threads
  2. Aristotelis
    Locked Sticky

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

    Aristotelis, Jul 5, 2019
    Replies:
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    Views:
    12,049
    Aristotelis
    Aristotelis
    Jul 5, 2019
  3. pankykapus
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    Views:
    31,320
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    Coanda
    Feb 25, 2020
  4. pankykapus
    Locked Sticky

    DOCS Guide to Team Racing and Driver Swaps in ACC

    pankykapus, Aug 10, 2020
    Replies:
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    Views:
    11,036
    pankykapus
    pankykapus
    Aug 10, 2020
  5. Aristotelis
    Sticky

    PHYSICS Brake ducts and Tyre damage

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    Views:
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    AndyK70
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    Sticky

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    AndyK70
    AndyK70
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  7. Aristotelis
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    Aristotelis, Apr 19, 2023
    Replies:
    13
    Views:
    8,649
    PaoloB
    PaoloB
    Apr 21, 2023
  8. Minolin
    Sticky

    MULTIPLAYER Competition Server changes - 1.8.4

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    Replies:
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    Views:
    13,186
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    Apr 30, 2023
  9. Ecnelis
    Sticky

    ACC Blog Aris Drives

    Ecnelis, Dec 23, 2019 ... 23 24 25
    Replies:
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    Views:
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    Ecnelis
    Ecnelis
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  10. Minolin
    Sticky

    DOCS The Server Admin Handbook thread

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    Replies:
    1,234
    Views:
    165,573
    Jörg Kruft
    Jörg Kruft
    Jan 30, 2024
  11. Aristotelis
    Sticky

    PHYSICS ECU maps implementation

    Aristotelis, Jan 16, 2019 ... 19 20 21
    Replies:
    418
    Views:
    431,857
    Doug Duthie
    Doug Duthie
    Mar 17, 2024
  12. Minolin
    Locked Sticky

    MULTIPLAYER ACC Server binaries [1.10]

    Minolin, Dec 21, 2019 ... 2
    Replies:
    31
    Views:
    16,812
    pankykapus
    pankykapus
    Apr 4, 2024
  13. Fernando Barbarossa
    Sticky

    DOCS ACC Shared Memory Documentation

    Fernando Barbarossa, Aug 28, 2019 ... 22 23 24
    Replies:
    476
    Views:
    93,006
    Iko Rein
    Iko Rein
    Apr 4, 2024
  14.   » Normal Threads
  15. AC Support
    Locked

    DOCS About Matchmaking feature in ACC

    AC Support, May 20, 2019 ... 3 4 5
    Replies:
    97
    Views:
    15,585
    Alistair McKinley
    Alistair McKinley
    May 29, 2019
  16. Minolin
    Locked

    MULTIPLAYER Update 0.6 - MP & Ratings Rebooted

    Minolin, Feb 27, 2019 ... 12 13 14
    Replies:
    271
    Views:
    30,729
    menos | M6
    menos | M6
    Jun 5, 2019
  17. Aristotelis

    PHYSICS Chassis flex

    Aristotelis, Dec 17, 2019 ... 2
    Replies:
    27
    Views:
    11,233
    Hind Sigh
    Hind Sigh
    Feb 22, 2020
  18. Minolin
    Locked

    ACC Blog 1.2 Multiplayer & Rating changes

    Minolin, Nov 14, 2019 ... 2
    Replies:
    20
    Views:
    10,380
    not_him_59
    not_him_59
    Mar 21, 2020
  19. Aristotelis

    PHYSICS Introducing the 5 point tyre model for ACC!

    Aristotelis, Jul 18, 2019 ... 9 10 11
    Replies:
    208
    Views:
    60,347
    Sergio Rafael Lemke
    Sergio Rafael Lemke
    Mar 26, 2020
  20. Aristotelis

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    Aristotelis, Sep 12, 2018 ... 10 11 12
    Replies:
    232
    Views:
    60,695
    Cirith Ungol
    Cirith Ungol
    May 16, 2020
  21. Minolin
    Locked

    MULTIPLAYER Multiplayer & Rating - 1.0

    Minolin, May 24, 2019 ... 21 22 23
    Replies:
    459
    Views:
    87,579
    Zimac
    Zimac
    Jun 8, 2020
  22. Minolin
    Locked

    DOCS 0.7 Rating, Multiplayer & eSports event notes

    Minolin, Apr 3, 2019 ... 13 14 15
    Replies:
    298
    Views:
    44,883
    Salvatore Amato
    Salvatore Amato
    Jun 20, 2020
  23. Minolin
    Locked

    MULTIPLAYER The multiplayer doors (start to) open today!

    Minolin, Nov 14, 2018 ... 13 14 15
    Replies:
    298
    Views:
    42,942
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    Views:
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    trutya
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  25. Aristotelis

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    Aristotelis, Oct 11, 2018 ... 2 3
    Replies:
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    Views:
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  26. Aristotelis

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    Aristotelis, Nov 16, 2018 ... 11 12 13
    Replies:
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  27. Minolin
    Locked

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

    Minolin, Jul 15, 2020 ... 2
    Replies:
    24
    Views:
    8,425
    archjuh
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  28. Aristotelis

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    Aristotelis, Nov 18, 2020
    Replies:
    6
    Views:
    5,171
    AndyK70
    AndyK70
    Nov 19, 2020
  29. Aristotelis

    CARS The Porsche 991 GT3 R

    Aristotelis, Jun 24, 2019 ... 5 6 7
    Replies:
    131
    Views:
    44,035
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    Hkraft300
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  30. Aristotelis

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    Aristotelis, Jun 8, 2019 ... 2 3 4
    Replies:
    78
    Views:
    20,267
    Dewald Nel
    Dewald Nel
    Jan 18, 2021
  31. pankykapus

    CIRCUITS Welcome British GT and release 1.7!

    pankykapus, Feb 9, 2021
    Replies:
    0
    Views:
    2,368
    pankykapus
    pankykapus
    Feb 9, 2021
  32. Aristotelis

    PHYSICS Aero. I believe I can fly…

    Aristotelis, Sep 8, 2018 ... 4 5 6
    Replies:
    103
    Views:
    38,016
    bbman
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    Feb 14, 2021
  33. Minolin
    Locked

    MULTIPLAYER 1.2 - Competition Server changes

    Minolin, Nov 4, 2019 ... 31 32 33
    Replies:
    640
    Views:
    93,317
    Phoenixcat
    Phoenixcat
    Mar 7, 2021
  34. Aristotelis

    PHYSICS Tyres! oh... it's raining...

    Aristotelis, Sep 6, 2018 ... 14 15 16
    Replies:
    310
    Views:
    67,171
    Axel Vogelsang
    Axel Vogelsang
    May 13, 2021
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