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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.
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.
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.
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 Physics

Bugs and issues about physics

: Announcement Title Start Date; Replies Views; Last Message

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READ HERE How to Use the Support Forums and Report Issues

pankykapus, Sep 12, 2018

Replies:

1

Views:

31,525

pankykapus

Jan 3, 2021
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FOR PC USERS: Rent your Assetto Corsa or Assetto Corsa Competizione game server with 10% off !

This thread, started by AC Support, has been deleted. Deleted by AC Support, Nov 28, 2021, Reason: No longer valid.

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Before Posting - Read the FAQs and Use Search Function

paulieGTR, Nov 10, 2013

Replies:

1

Views:

84,415

Tiago Fortuna

Nov 12, 2013

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Sort By:: Title ↓ Start Date; Replies Views; Last Message

NO ISSUE Strange FFB 'thing'. Can some one test?

Karolinis, Mar 13, 2019 ... 2

Replies:

25

Views:

783

sps_for_race

Apr 6, 2019
NO ISSUE Something is wrong with AUDI

pastranario, Apr 22, 2020

Replies:

10

Views:

583

Fredix_27

Apr 24, 2020
NO ISSUE Some curbs in Monza are impossible to use

LucaBenj, May 4, 2019 ... 2

Replies:

20

Views:

621

pimpi84

May 10, 2019
NO ISSUE Slow/fast dampers

bap, Jan 27, 2019

Replies:

6

Views:

504

Borbor

Feb 10, 2019
NO ISSUE ride height is bugged with fuel preview (also on track then)

Josefhead, Oct 17, 2019

Replies:

10

Views:

329

Josefhead

Oct 23, 2019
NO ISSUE Quick Race too stable/hidden stability control without turning it on?

CrimsonEminence, Sep 13, 2018

Replies:

4

Views:

258

CrimsonEminence

Sep 14, 2018
NO ISSUE power loss on some servers [Stability Control enabled by user]

larrywax, Dec 30, 2021

Replies:

17

Views:

356

CoReTiMex3

Jan 7, 2023
NO ISSUE Potential Tyre Pressure Bug

Ghosted, Jan 4, 2020

Replies:

11

Views:

314

Dewald Nel

Jan 9, 2020
NO ISSUE Posible bug Nurburgring 2020 Aston v8 gt3

JOSE2K2*, Dec 29, 2020

Replies:

4

Views:

174

JOSE2K2*

Dec 29, 2020
NO ISSUE Porsche 991II gt3 R

BADGERSLAYER 7, Apr 16, 2020

Replies:

10

Views:

418

autostyle

Apr 19, 2020
NO ISSUE Porsche 991.2 gt3 suspension is broken.

SimGuy_1, Feb 8, 2020 ... 2 3

Replies:

43

Views:

1,910

magicmaggio

Sep 16, 2020
NO ISSUE Pitch is backwards....

Garnet, Feb 20, 2021

Replies:

5

Views:

273

Garnet

Feb 21, 2021
NO ISSUE Overheated tyres with 28PSI...?

mystek, Apr 18, 2020

Replies:

7

Views:

322

Big_Racer

Apr 19, 2020
NO ISSUE NSX Evo Rod Length inconsistency

Ryuku/, Jan 15, 2021

Replies:

12

Views:

419

Speeddmon91

Jan 25, 2021
NO ISSUE McLaren 720s Zandvoort- tyre heat

Ste1155, Mar 22, 2021

Replies:

1

Views:

86

GONKO

Mar 23, 2021
NO ISSUE McLaren 720 GT3 Camber

Saetta McQueen, Nov 11, 2021

Replies:

2

Views:

194

Saetta McQueen

Nov 11, 2021
NO ISSUE Manual Clutch not working at 100% with 2019 Porsche, Honda

Oluf, Oct 26, 2019

Replies:

4

Views:

183

d-^^eathstare>

Oct 30, 2019
NO ISSUE Lambo GT3 suspension broken everytime set-up changed @ Hungaro

Clivew, Feb 27, 2019

Replies:

3

Views:

216

pankykapus

Mar 4, 2019
NO ISSUE Laguna Seca Curb Of Death

RAUL RICO RIQUELME, Mar 21, 2021

Replies:

16

Views:

349

Salvatore Amato

Mar 26, 2021
NO ISSUE i hit the oppenent’s tyre track [Actually: too low ride hight hitting bump on track]

syXe, Dec 6, 2020

Replies:

2

Views:

165

pankykapus

Dec 6, 2020

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