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 Physics

Bugs and issues about physics

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:
    31,821
    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 Deleted by AC Support, Nov 28, 2021, Reason: No longer valid.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:
    84,583
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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CRITICAL WORKAROUND BUG ISSUE
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  1. Pepi McPeepson

    FIXED Ferrari 296 12 Engine Maps

    Pepi McPeepson, May 4, 2023
    Replies:
    0
    Views:
    208
    Pepi McPeepson
    Pepi McPeepson
    May 4, 2023
  2. notsomahsoom/Twitch

    FIXED Ferrari Bathurst BoP Too Extreme?

    notsomahsoom/Twitch, Dec 1, 2021
    Replies:
    6
    Views:
    380
    notsomahsoom/Twitch
    notsomahsoom/Twitch
    Dec 9, 2021
  3. notsomahsoom/Twitch

    FIXED Ferrari Setup Screen Suspension Telemetry Bugged?

    notsomahsoom/Twitch, Mar 17, 2022
    Replies:
    3
    Views:
    228
    notsomahsoom/Twitch
    notsomahsoom/Twitch
    Apr 3, 2022
  4. icemanzp
    Locked

    FIXED Flaw in setup files

    icemanzp, Oct 27, 2021
    Replies:
    11
    Views:
    916
    pankykapus
    pankykapus
    Oct 28, 2021
  5. Kevorkyijan

    FIXED Found ABS bug at beginning of the Event #34 Zolder Wet

    Kevorkyijan, Jul 17, 2019
    Replies:
    9
    Views:
    334
    Kevorkyijan
    Kevorkyijan
    Jul 19, 2019
  6. Cirith Ungol

    FIXED Honda NSX Evo can use positive camber at Monza

    Cirith Ungol, Apr 10, 2022
    Replies:
    1
    Views:
    199
    sissydriver
    sissydriver
    Apr 10, 2022
  7. AlleyViper

    FIXED Huracán ST's Paul Ricard Agressive Setup has higher aero

    AlleyViper, Dec 19, 2019
    Replies:
    2
    Views:
    139
    AlleyViper
    AlleyViper
    Apr 15, 2020
  8. Adnan0

    FIXED Ignition state in shared memory

    Adnan0, Jun 7, 2020
    Replies:
    2
    Views:
    181
    pamoer
    pamoer
    Sep 17, 2020
  9. Plague109

    FIXED Lamborghini Huracan GT3 evo2 Fuel usage

    Plague109, May 12, 2023
    Replies:
    1
    Views:
    253
    Aristotelis
    Aristotelis
    May 23, 2023
  10. TFZ Seven

    FIXED Lexus RCF GT3 overall performance since 1.7

    TFZ Seven, Feb 19, 2021
    Replies:
    7
    Views:
    467
    Serge M
    Serge M
    Mar 5, 2021
  11. hodrob

    FIXED LocalVelocity in shared memory stopped working

    hodrob, Jul 12, 2019
    Replies:
    10
    Views:
    258
    hosenmatz
    hosenmatz
    Jan 25, 2020
  12. ㄻ-Defragler

    FIXED Max Fuel in Shared Memory is Wrong for Porsche 911 GT3 @ Spa Franchorchamps

    ㄻ-Defragler, May 10, 2022
    Replies:
    4
    Views:
    175
    ㄻ-Defragler
    ㄻ-Defragler
    Jun 30, 2022
  13. Darcy Callai Junior

    FIXED Mercedes Bens AMG fuel/lap in monza

    Darcy Callai Junior, Jul 9, 2019 ... 2
    Replies:
    29
    Views:
    984
    Firmi
    Firmi
    Nov 25, 2021
  14. Coanda

    FIXED Nissan GTR 2018 ECU Map wrong

    Coanda, Mar 5, 2019
    Replies:
    1
    Views:
    294
    Coanda
    Coanda
    Mar 8, 2019
  15. KZAQ666

    FIXED Porsche 991 II GT3R Rear Wing

    KZAQ666, Oct 27, 2019
    Replies:
    1
    Views:
    229
    SimGuy_1
    SimGuy_1
    Oct 29, 2019
  16. Brinkyeti

    FIXED Porsche 991.2 no WET setup for Laguna Seca

    Brinkyeti, Oct 26, 2020
    Replies:
    5
    Views:
    179
    Brinkyeti
    Brinkyeti
    Nov 3, 2020
  17. JnJ | Rayleigh

    FIXED Pressure drop at Zandvoort with the M4 GT3

    JnJ | Rayleigh, Dec 9, 2021
    Replies:
    13
    Views:
    313
    Dewald Nel
    Dewald Nel
    Dec 15, 2021
  18. ★ RyRy

    FIXED race-ending tyre bug [wear-driven puncture ruining suspension geometry]

    ★ RyRy, Sep 2, 2020
    Replies:
    3
    Views:
    228
    ★ RyRy
    ★ RyRy
    Sep 3, 2020
  19. m4karov

    FIXED Rev limiter behaivior Aston V8

    m4karov, May 4, 2020 ... 2 3 4
    Replies:
    62
    Views:
    2,061
    khrop
    khrop
    Feb 9, 2021
  20. IMaxiR

    FIXED Ride heigh bug with new 1.8 patch

    IMaxiR, Nov 25, 2021
    Replies:
    3
    Views:
    281
    Nuu
    Nuu
    Nov 26, 2021
Showing threads 21 to 40 of 61

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