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:
    31,837
    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:
    84,592
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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WORKAROUND CRITICAL BUG ISSUE
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  1. Znam Neznam

    REPORTED! Gt3 ai cars run out of fuel during qualifying.

    Znam Neznam, Aug 1, 2015
    Replies:
    0
    Views:
    44
    Znam Neznam
    Znam Neznam
    Aug 1, 2015
  2. frodesa

    REPORTED! Abarth 500 wont change from 1 to 2 gear in automatic

    frodesa, Aug 1, 2015
    Replies:
    2
    Views:
    75
    frodesa
    frodesa
    Aug 3, 2015
  3. Alberto Llinares

    REPORTED! Nissan gtr not full stopping

    Alberto Llinares, Jul 31, 2015
    Replies:
    12
    Views:
    651
    TheSznikers
    TheSznikers
    Aug 5, 2015
  4. demonized

    REPORTED! Ai messes start @ vallelunga

    demonized, Aug 16, 2015
    Replies:
    3
    Views:
    114
    AC Support
    AC Support
    Aug 18, 2015
  5. Ben Lee

    REPORTED! Ai car blows engine then sits in middle of turn 1

    Ben Lee, Aug 1, 2015
    Replies:
    14
    Views:
    402
    pt_r
    pt_r
    Aug 28, 2015
  6. HelplessDeer

    REPORTED! Audi r8 camber setup

    HelplessDeer, Oct 8, 2015
    Replies:
    2
    Views:
    180
    Hany
    Hany
    Oct 8, 2015
  7. YardStick

    REPORTED! Gt40 camber sliders don't match

    YardStick, Oct 9, 2015
    Replies:
    0
    Views:
    39
    YardStick
    YardStick
    Oct 9, 2015
  8. Landro

    REPORTED! Car that is driven into the ground

    Landro, Oct 9, 2015
    Replies:
    6
    Views:
    201
    baboon
    baboon
    Oct 10, 2015
  9. Sen Dewael

    REPORTED! Bmw m235i racing clutch problem

    Sen Dewael, Aug 14, 2015
    Replies:
    11
    Views:
    357
    Sen Dewael
    Sen Dewael
    Dec 12, 2015
  10. duzhuoyao96

    REPORTED! Gearbox of lp570 shifts too fast!!!

    duzhuoyao96, Dec 16, 2015
    Replies:
    6
    Views:
    190
    duzhuoyao96
    duzhuoyao96
    Dec 16, 2015
  11. r3ck0n

    REPORTED! Lotus 25-brands hatch indy event not working?

    r3ck0n, Dec 19, 2015
    Replies:
    3
    Views:
    165
    NeoForceGT
    NeoForceGT
    Jan 16, 2016
  12. liakjim

    REPORTED! Dtm tyres

    liakjim, Jan 4, 2016
    Replies:
    7
    Views:
    453
    liakjim
    liakjim
    Feb 13, 2016
  13. ziozeus

    REPORTED! Opponent strenght switching to 80%

    ziozeus, Jun 14, 2015
    Replies:
    10
    Views:
    354
    ziozeus
    ziozeus
    Apr 9, 2016
  14. cimenTo

    REPORTED! GTR Nismo doesn't full-stop

    cimenTo, Apr 3, 2016
    Replies:
    5
    Views:
    286
    aphidgod
    aphidgod
    Apr 15, 2016
  15. charlyv8

    REPORTED! ASSETTO CORSA BRAKE PROBLEM

    charlyv8, Apr 29, 2016
    Replies:
    4
    Views:
    441
    AccAkut
    AccAkut
    May 16, 2016
  16. Bigbazz

    REPORTED! Ferrari F138 - KERS lap allocation doesn't reset on first lap

    Bigbazz, Jul 14, 2016
    Replies:
    0
    Views:
    95
    Bigbazz
    Bigbazz
    Jul 14, 2016
  17. Zacks

    REPORTED! DRS on pitstop

    Zacks, Jul 14, 2016
    Replies:
    2
    Views:
    132
    Mitja Bonca
    Mitja Bonca
    Jul 15, 2016
  18. Jirx

    REPORTED! AI race - Nissan GT-R Nismo runs out of fuel

    Jirx, May 29, 2016
    Replies:
    1
    Views:
    109
    Jirx
    Jirx
    Jul 16, 2016
  19. Linus27

    REPORTED! AI Main straight at Monza

    Linus27, Jul 26, 2016
    Replies:
    2
    Views:
    154
    Jebus
    Jebus
    Sep 5, 2016
  20. hogfish

    REPORTED! New AI is to slow

    hogfish, Aug 27, 2016
    Replies:
    16
    Views:
    460
    GRFOCO
    GRFOCO
    Sep 5, 2016
Showing threads 1 to 20 of 26

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