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 Troubleshooting

Please report here crashes and general issues

Announcement Title Start Date
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Last Message
  1. pankykapus
    Locked Sticky

    READ HERE How to Use the Support Forums and Report Issues

    pankykapus, Sep 12, 2018
    Replies:
    1
    Views:
    31,412
    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:
    84,345
    Tiago Fortuna
    Tiago Fortuna
    Nov 12, 2013
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WORKAROUND BUG ISSUE CRITICAL
Page 6 of 117
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Title Start Date
Replies Views ↓
Last Message
  1. djr76

    FIXED Driver Profile not updating

    djr76, Oct 6, 2019
    Replies:
    17
    Views:
    399
    Irpus
    Irpus
    Oct 28, 2019
  2. madmaxlp

    ISSUE 99% CPU usage since last update

    madmaxlp, Oct 29, 2021
    Replies:
    4
    Views:
    397
    madmaxlp
    madmaxlp
    Nov 20, 2021
  3. Flavus

    ISSUE [1.1.2] Random FPS drop off

    Flavus, Nov 10, 2019
    Replies:
    3
    Views:
    395
    Flavus
    Flavus
    Jan 14, 2020
  4. Goaqi

    CRITICAL Unreal Engine is exiting due to D3D device being lost.

    Goaqi, May 3, 2020 ... 2
    Replies:
    30
    Views:
    394
    GONKO
    GONKO
    May 13, 2020
  5. Dom[Ger]

    SOFTWARE/HARDWARE ISSUE ACC CTD during online racing [Fanatec driver memory leak]

    Dom[Ger], Feb 3, 2022
    Replies:
    19
    Views:
    393
    Dom[Ger]
    Dom[Ger]
    Apr 21, 2022
  6. Zefeerino Coutinho

    SOFTWARE/HARDWARE ISSUE Future improvements on Level of Effort to Hardware for Running this game!

    Zefeerino Coutinho, Nov 15, 2018
    Replies:
    13
    Views:
    391
    LeDude83
    LeDude83
    Nov 20, 2018
  7. Mrk 1512

    AC2 crash Microsoft sidewinder

    Mrk 1512, Jan 13, 2020
    Replies:
    12
    Views:
    390
    OldFart
    OldFart
    Apr 28, 2020
  8. SharpeXB

    The Perfect Storm of Frustration

    SharpeXB, Oct 18, 2020
    Replies:
    15
    Views:
    390
    SharpeXB
    SharpeXB
    Jul 16, 2021
  9. WollePetry

    SOFTWARE/HARDWARE ISSUE Stutter/crash with csl dd connected [Resolved by system format]

    WollePetry, Nov 26, 2021
    Replies:
    17
    Views:
    389
    Philipp Müller
    Philipp Müller
    Dec 6, 2021
  10. Serge M

    ISSUE Huge performance issues since 1.09/1.0.10

    Serge M, Sep 30, 2019
    Replies:
    13
    Views:
    386
    seb 6th gear
    seb 6th gear
    Oct 1, 2019
  11. maiph
    Locked

    OK The 1.8 update has killed this game for me.

    maiph, Dec 18, 2021
    Replies:
    7
    Views:
    385
    pankykapus
    pankykapus
    Dec 18, 2021
  12. Maksym Yefanov

    CRITICAL Is is cheating server or ACC Grip-Power BUG During online race?

    Maksym Yefanov, Jan 24, 2020
    Replies:
    5
    Views:
    380
    Maksym Yefanov
    Maksym Yefanov
    Feb 2, 2020
  13. SamirPRO1

    ISSUE Country ban?

    SamirPRO1, Jun 21, 2020
    Replies:
    10
    Views:
    378
    Frank Hop
    Frank Hop
    Jun 26, 2020
  14. Echo_29

    NO ISSUE 1.2 update, game wont even launch, Unreal crash [unsupported .pak files in game folders]

    Echo_29, Dec 17, 2019
    Replies:
    13
    Views:
    377
    EMPEROR
    EMPEROR
    Dec 19, 2019
  15. Max Melamed

    SOFTWARE/HARDWARE ISSUE Fatal Error [multiple failure points - system instability]

    Max Melamed, Aug 21, 2022 ... 2
    Replies:
    25
    Views:
    376
    Max Melamed
    Max Melamed
    Oct 17, 2022
  16. dim98vam

    SOFTWARE/HARDWARE ISSUE Fatal Error UE4-AC2 leading to blue Screen [RAM failure]

    dim98vam, Jan 1, 2021 ... 2
    Replies:
    29
    Views:
    373
    dim98vam
    dim98vam
    Jan 9, 2021
  17. Marcin Kapusta

    BUG Shadows appearing in front of car on EPIC settings - Video example

    Marcin Kapusta, Jan 11, 2020
    Replies:
    13
    Views:
    371
    VFX Pro
    VFX Pro
    Oct 7, 2022
  18. ㄻ-Defragler

    ISSUE RealtimeCarUpdate.Heading/Yaw removed from ACC Broadcast UDP in favor of WorldPosZ/Elevation?

    ㄻ-Defragler, Apr 4, 2024
    Replies:
    12
    Views:
    367
    ㄻ-Defragler
    ㄻ-Defragler
    Apr 13, 2024 at 6:24 PM
  19. gecervi
    Locked

    SOFTWARE/HARDWARE ISSUE Crash on startup with the UE4-AC2 .....U R G E N T

    gecervi, Sep 16, 2018
    Replies:
    9
    Views:
    365
    tomp0
    tomp0
    Dec 25, 2018
  20. FlaXxo

    SOFTWARE/HARDWARE ISSUE Game wont Start after Hotfix - Critical UE4 Error [audio device error]

    FlaXxo, Dec 15, 2021
    Replies:
    3
    Views:
    363
    Harmaa Myrsky
    Harmaa Myrsky
    Dec 17, 2021
Showing threads 101 to 120 of 2,331

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