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 Bugs & Issues

Discussions related to physics issues and feedback

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:
    31,520
    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:
    84,410
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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WORKAROUND CRITICAL BUG ISSUE
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  1. misterbeam

    WORKING ON IT Camber effects in ac

    misterbeam, Nov 2, 2015 ... 25 26 27
    Replies:
    520
    Views:
    27,467
    David Dominguez
    David Dominguez
    Sep 11, 2016
  2. Rex

    WORKING ON IT List of broken special events

    Rex, Dec 29, 2015 ... 14 15 16
    Replies:
    318
    Views:
    8,927
    PhilS13
    PhilS13
    Mar 24, 2018
  3. neel

    WORKING ON IT Collision reaction forces twice stronger than they should ?

    neel, Jan 6, 2015 ... 8 9 10
    Replies:
    182
    Views:
    7,460
    neel
    neel
    Apr 12, 2016
  4. PandaR1

    WORKING ON IT Landmines

    PandaR1, Jan 18, 2014 ... 5 6 7
    Replies:
    133
    Views:
    3,546
    Xandreela
    Xandreela
    Feb 13, 2014
  5. David Dominguez

    WORKING ON IT Lotus 98T is waaay fast

    David Dominguez, Feb 15, 2017 ... 2 3 4
    Replies:
    74
    Views:
    2,158
    SimMan
    SimMan
    Feb 20, 2017
  6. [DRN]TheSatch

    WORKING ON IT Sticky Collision and Collision Box

    [DRN]TheSatch, Jan 31, 2014 ... 2 3 4
    Replies:
    62
    Views:
    1,227
    Plons
    Plons
    Feb 15, 2014
  7. Pierre Norlen
    Locked

    WORKING ON IT Engine stutters & ABS wont turn off

    Pierre Norlen, Nov 9, 2013 ... 2 3
    Replies:
    54
    Views:
    2,604
    AC Support
    AC Support
    Nov 25, 2013
  8. Simon Roberts

    WORKING ON IT First corner MONZA 100% CPU and 0.6fps [setting high number of cars]

    Simon Roberts, Jan 31, 2014 ... 2 3
    Replies:
    46
    Views:
    1,322
    Dinca Andrei
    Dinca Andrei
    Feb 3, 2014
  9. Lowkey

    WORKING ON IT E30 Drift front grip/feel

    Lowkey, Apr 18, 2016 ... 2 3
    Replies:
    40
    Views:
    2,326
    Kade
    Kade
    Feb 24, 2017
  10. burrito

    WORKING ON IT Lamborghini gallardo sl aero balance base&s3

    burrito, Dec 16, 2015 ... 2
    Replies:
    35
    Views:
    1,403
    Seria17hri11er
    Seria17hri11er
    Jan 26, 2016
  11. Albert McSaltens

    WORKING ON IT GT3 cars ground collisions

    Albert McSaltens, Sep 21, 2016 ... 2
    Replies:
    32
    Views:
    1,182
    dmatzies
    dmatzies
    Mar 1, 2018
  12. Shogun

    WORKING ON IT 015 Update came out and now my brakes are way too sensitive

    Shogun, Jun 6, 2014 ... 2
    Replies:
    32
    Views:
    1,355
    Racing_34
    Racing_34
    Jan 6, 2015
  13. Christopher Low

    WORKING ON IT Bmw m235i r

    Christopher Low, Dec 22, 2015 ... 2
    Replies:
    24
    Views:
    730
    henri
    henri
    Dec 23, 2015
  14. TDS

    WORKING ON IT 1.12 Cars floating up and down on pits

    TDS, Feb 14, 2017
    Replies:
    19
    Views:
    535
    Stereo
    Stereo
    Feb 16, 2017
  15. Michiel

    WORKING ON IT Sudden change in car balance after visiting pits

    Michiel, Dec 30, 2014
    Replies:
    15
    Views:
    501
    martcerv
    martcerv
    Jan 9, 2015
  16. Ales Nocar

    WORKING ON IT E92 drift wrong gearbox

    Ales Nocar, Nov 22, 2013
    Replies:
    14
    Views:
    472
    Kristaps
    Kristaps
    Nov 12, 2014
  17. noel spence

    WORKING ON IT Lotus 98t at monza ai blow up

    noel spence, Jul 22, 2014
    Replies:
    11
    Views:
    183
    McNappa
    McNappa
    Jul 27, 2014
  18. Glaurung

    WORKING ON IT Fuel consumption

    Glaurung, Feb 16, 2015
    Replies:
    10
    Views:
    402
    aphidgod
    aphidgod
    Mar 16, 2015
  19. Redrum

    WORKING ON IT AI revving up just before the start

    Redrum, Apr 3, 2017
    Replies:
    9
    Views:
    335
    Davemester
    Davemester
    Apr 24, 2017
  20. maxx2504

    WORKING ON IT Ferrari SF15-T and F138 Damper Problems

    maxx2504, Jul 15, 2016
    Replies:
    9
    Views:
    564
    $Raijin$
    $Raijin$
    Jul 21, 2016
Showing threads 1 to 20 of 31

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