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

Physics modding - Cars & Tyres

Physics modding - Cars & Tyres

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:
    31,613
    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:
    84,454
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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PHYSX
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  1.   » Sticky Threads
  2. Slave1
    Sticky

    PHYSX Answers from the devs

    Slave1, Jul 8, 2014 ... 2 3 4
    Replies:
    67
    Views:
    12,259
    Neilski
    Neilski
    Jun 15, 2017
  3. AC Support
    Sticky

    Assetto Corsa car modding - Tutorial #1

    AC Support, Jun 21, 2014 ... 2
    Replies:
    21
    Views:
    13,115
    Johntag
    Johntag
    Jul 23, 2021
  4. Aristotelis
    Locked Sticky

    PHYSX Changelog - update 0.22

    Aristotelis, Jul 17, 2014
    Replies:
    1
    Views:
    3,087
    Aristotelis
    Aristotelis
    Aug 29, 2014
  5. 6S.Manu
    Sticky

    Tyre compound shortname

    6S.Manu, Aug 7, 2015 ... 2
    Replies:
    28
    Views:
    1,746
    Gustv90
    Gustv90
    Aug 15, 2015
  6. stefanoCasillo
    Sticky

    PHYSX Tyre Model V10 Specs

    stefanoCasillo, Sep 11, 2016 ... 2 3 4
    Replies:
    62
    Views:
    16,650
    miniB
    miniB
    Dec 15, 2020
  7. stefanoCasillo
    Sticky

    PHYSX Tyre model v5 specs

    stefanoCasillo, Jan 3, 2016 ... 2 3 4
    Replies:
    70
    Views:
    14,003
    abbo90
    abbo90
    Aug 16, 2021
  8. mclarenf1papa
    Sticky

    PHYSX V1.15 Physics Updates

    mclarenf1papa, Sep 19, 2017 ... 2 3
    Replies:
    41
    Views:
    6,041
    Jared Dempster
    Jared Dempster
    Mar 20, 2018
  9.   » Normal Threads
  10. miika-moilanen

    RELEASED !!solved!! help needed with suspension/wheels new problem!!!!

    miika-moilanen, Aug 24, 2015
    Replies:
    12
    Views:
    391
    miika-moilanen
    miika-moilanen
    Aug 25, 2015
  11. TheDarkenn

    RELEASED "power.lut" - how to edit?

    TheDarkenn, Aug 8, 2015
    Replies:
    8
    Views:
    1,043
    mclarenf1papa
    mclarenf1papa
    Oct 4, 2015
  12. guillaumeac

    PHYSX 'Unexpected error' when modifying car mod

    guillaumeac, Feb 4, 2022
    Replies:
    1
    Views:
    26
    guillaumeac
    guillaumeac
    Feb 4, 2022
  13. Karri Keskinen

    PHYSX (live-) adjustable diffs and engine maps?

    Karri Keskinen, Feb 24, 2015
    Replies:
    0
    Views:
    193
    Karri Keskinen
    Karri Keskinen
    Feb 24, 2015
  14. Arch

    PHYSX (solved) anti squat reversed?

    Arch, Jul 10, 2015 ... 2
    Replies:
    29
    Views:
    535
    nonnex
    nonnex
    Jul 14, 2015
  15. Warlock

    ...problems with game

    Warlock, Jul 19, 2014
    Replies:
    12
    Views:
    237
    Beryllium
    Beryllium
    Jul 22, 2014
  16. Alpinefd

    PHYSX 285 18 semi slick tire

    Alpinefd, Mar 14, 2017
    Replies:
    5
    Views:
    347
    aphidgod
    aphidgod
    Apr 14, 2017
  17. chargingcar

    RELEASED 3ds max , hierarchy , hubs , suspension .ers,kers,led,rain

    chargingcar, Nov 20, 2015
    Replies:
    2
    Views:
    645
    chargingcar
    chargingcar
    Nov 21, 2015
  18. Cote Dazur

    PHYSX 4 wheel steering

    Cote Dazur, Jan 5, 2018
    Replies:
    1
    Views:
    339
    Warlock
    Warlock
    May 17, 2019
  19. Tal.S

    PHYSX A few questions regarding modding

    Tal.S, Jul 2, 2014
    Replies:
    5
    Views:
    182
    bobskype
    bobskype
    Jul 2, 2014
  20. Márcio Indau

    PHYSX A.I. DNF

    Márcio Indau, Feb 11, 2016
    Replies:
    2
    Views:
    132
    Márcio Indau
    Márcio Indau
    Feb 11, 2016
  21. Cercata

    PHYSX About load sensitivity

    Cercata, Aug 9, 2017
    Replies:
    7
    Views:
    293
    stefanoCasillo
    stefanoCasillo
    Aug 9, 2017
  22. th.sr1.sf

    PHYSX About slip curve of tire

    th.sr1.sf, Nov 6, 2019
    Replies:
    5
    Views:
    366
    PhilS13
    PhilS13
    Nov 8, 2019
  23. th.sr1.sf

    PHYSX About tire force

    th.sr1.sf, Sep 7, 2016
    Replies:
    0
    Views:
    211
    th.sr1.sf
    th.sr1.sf
    Sep 7, 2016
  24. John Burning

    PHYSX Ac gear ratio editor

    John Burning, Jun 23, 2014 ... 2
    Replies:
    24
    Views:
    1,190
    BMASTER
    BMASTER
    Jul 2, 2014
  25. Andy Symonds

    PHYSX AC Pro - Car Copy

    Andy Symonds, Sep 1, 2020
    Replies:
    0
    Views:
    199
    Andy Symonds
    Andy Symonds
    Sep 1, 2020
  26. Alpinefd

    PHYSX AC tire and correlation to real tire

    Alpinefd, Nov 2, 2017
    Replies:
    6
    Views:
    486
    garyjpaterson
    garyjpaterson
    Nov 3, 2017
  27. Deleted member 18758

    RELEASED Ac worksheet v0.16 (wip)

    Deleted member 18758, Oct 29, 2014 ... 3 4 5
    Replies:
    84
    Views:
    11,411
    abbo90
    abbo90
    Feb 6, 2017
  28. CCX

    PHYSX Active aero

    CCX, Jun 27, 2014
    Replies:
    16
    Views:
    1,047
    CCX
    CCX
    Jul 3, 2014
  29. Warlock

    PHYSX Active aero possible?

    Warlock, Jul 14, 2016 ... 2
    Replies:
    24
    Views:
    747
    Warlock
    Warlock
    Apr 25, 2017
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