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:
    31,407
    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:
    84,343
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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WORKAROUND CRITICAL BUG ISSUE
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  1. Ben Lee

    AS DESIGNED Sequential gearbox cars go into neutral when changing gear

    Ben Lee, Oct 13, 2014
    Replies:
    5
    Views:
    335
    bn880
    bn880
    Oct 22, 2018
  2. leon_90

    AS DESIGNED McLaren P1 GTR, DRS Not Working Correctly

    leon_90, Dec 21, 2017
    Replies:
    3
    Views:
    150
    marlo0081
    marlo0081
    Dec 21, 2017
  3. Topuz

    AS DESIGNED AI doesn't generate brake heat any more

    Topuz, Sep 21, 2017
    Replies:
    0
    Views:
    112
    Topuz
    Topuz
    Sep 21, 2017
  4. prunn

    AS DESIGNED Monza 2nd chicane penalty

    prunn, Sep 3, 2017
    Replies:
    7
    Views:
    285
    prunn
    prunn
    Sep 13, 2017
  5. garyjpaterson

    AS DESIGNED AI stuck at 90CP when diff is 100% locked

    garyjpaterson, Apr 23, 2017
    Replies:
    10
    Views:
    327
    aphidgod
    aphidgod
    May 18, 2017
  6. Animal Ed

    AS DESIGNED Lotus Elise/Exige brake ballance

    Animal Ed, Mar 4, 2017
    Replies:
    8
    Views:
    360
    siffre
    siffre
    Mar 28, 2017
  7. D1visor

    AS DESIGNED Gt-r and gt-86 don't squat when accelerating from a stand still

    D1visor, Aug 1, 2015 ... 2
    Replies:
    34
    Views:
    1,425
    abbo90
    abbo90
    Mar 22, 2017
  8. leon_90

    AS DESIGNED Mechanical Tachs Not Simulated Correctly

    leon_90, Mar 14, 2017
    Replies:
    1
    Views:
    214
    Stereo
    Stereo
    Mar 14, 2017
  9. tabletopplayer

    AS DESIGNED Incorrect dual clutch downshifting

    tabletopplayer, Feb 22, 2017
    Replies:
    4
    Views:
    234
    kofotsjanne
    kofotsjanne
    Mar 1, 2017
  10. Schnipp

    AS DESIGNED Auto-Clutch active in rare situation

    Schnipp, Nov 25, 2016
    Replies:
    5
    Views:
    281
    Quffy
    Quffy
    Feb 25, 2017
  11. Flotch

    AS DESIGNED [AC 1.11.4] McLaren MP4 12C : open differential

    Flotch, Jan 18, 2017 ... 2
    Replies:
    38
    Views:
    938
    Epistolarius
    Epistolarius
    Feb 9, 2017
  12. Jadonyx

    AS DESIGNED Alfa Giulietta semislicks missing

    Jadonyx, Jul 20, 2016
    Replies:
    11
    Views:
    325
    bk81
    bk81
    Jan 1, 2017
  13. Evan Maillard

    AS DESIGNED Porsche GT3 Cup car has got ABS

    Evan Maillard, Dec 22, 2016
    Replies:
    10
    Views:
    479
    Jebus
    Jebus
    Dec 23, 2016
  14. Darcy Callai Junior

    AS DESIGNED Front Tyre Wear - Porsche Cayman GT4 Sportclub

    Darcy Callai Junior, Nov 23, 2016
    Replies:
    5
    Views:
    162
    Darcy Callai Junior
    Darcy Callai Junior
    Nov 23, 2016
  15. Albert McSaltens

    AS DESIGNED Huracan super trofeo auto clutch

    Albert McSaltens, Oct 18, 2016
    Replies:
    12
    Views:
    285
    Albert McSaltens
    Albert McSaltens
    Oct 20, 2016
  16. garyjpaterson

    AS DESIGNED SF15-T Wings not Symmetrical

    garyjpaterson, Sep 13, 2016
    Replies:
    1
    Views:
    241
    Rigel
    Rigel
    Sep 13, 2016
  17. DaRenss

    AS DESIGNED 0 kph/mph bug

    DaRenss, Aug 31, 2016
    Replies:
    3
    Views:
    214
    Stereo
    Stereo
    Sep 2, 2016
  18. gregack

    AS DESIGNED Ruf-throttle sensitivity

    gregack, Aug 31, 2016
    Replies:
    0
    Views:
    101
    gregack
    gregack
    Aug 31, 2016
  19. Hummingbird

    AS DESIGNED Car launch control

    Hummingbird, Aug 9, 2016
    Replies:
    15
    Views:
    268
    Schnipp
    Schnipp
    Aug 10, 2016
  20. ears1991

    AS DESIGNED static rpm in neutral?

    ears1991, Aug 7, 2016
    Replies:
    2
    Views:
    146
    ears1991
    ears1991
    Aug 8, 2016
Showing threads 1 to 20 of 99

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