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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

Physics Bugs & Issues

Discussions related to physics issues and feedback

: 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:

31,774

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:

84,556

Tiago Fortuna

Nov 12, 2013

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NO ISSUE Track Grip goes from Optimum to 85% .

Znam Neznam, Mar 22, 2017

Replies:

7

Views:

204

Znam Neznam

Mar 22, 2017
NO ISSUE Top powered cars are understeering

Stanislav Tripolskij, Oct 27, 2014

Replies:

15

Views:

426

ncoredump

Nov 2, 2014
NO ISSUE Too much Air-Downforce

L-ViZ, Apr 26, 2014

Replies:

17

Views:

574

martcerv

May 1, 2014
NO ISSUE Tire temps

Clyzon, Apr 23, 2015

Replies:

4

Views:

174

Clyzon

May 1, 2015
NO ISSUE Tire temperatures never get green

Ricardo Pallavidino, Feb 20, 2017

Replies:

19

Views:

674

myimac

Feb 27, 2017
NO ISSUE Tire pressure display at start of race

brown58, Jun 6, 2017

Replies:

1

Views:

94

kofotsjanne

Jun 6, 2017
NO ISSUE Time (clock) going too fast

Mr_Xanathos, Feb 28, 2015

Replies:

5

Views:

155

Quffy

Mar 3, 2015
NO ISSUE Throttle stuttering

Doug, Apr 29, 2015

Replies:

9

Views:

308

nonnex

Apr 30, 2015
NO ISSUE Throttle issue (solved: clutch deadzone)

Renato Parra, Jun 16, 2014

Replies:

12

Views:

270

Renato Parra

Jun 19, 2014
NO ISSUE Tatuus fa01/formula abarth brake lock

F430_458_F12, Apr 16, 2015

Replies:

2

Views:

135

F430_458_F12

May 14, 2015
Locked

NO ISSUE Suggestion to engine restart after stalling

Davemester, Feb 4, 2017

Replies:

1

Views:

311

Aristotelis

Feb 4, 2017
NO ISSUE Steering sensitivity changes automatically!

RaceBaby, Dec 9, 2014

Replies:

11

Views:

283

RaceBaby

Dec 11, 2014
NO ISSUE Steering problem

Christian Grzybowski, May 27, 2014

Replies:

4

Views:

205

Christian Grzybowski

May 29, 2014
NO ISSUE Starting pressures different from pit menu pressures dependent on ambient temperature

Gevatter, Apr 25, 2017 ... 2

Replies:

20

Views:

400

Gevatter

May 17, 2017
NO ISSUE Stability control off problem (i think)

Ziltoid the Omniscient, Feb 26, 2015

Replies:

7

Views:

155

Slamdrunken

Feb 26, 2015
NO ISSUE Some thoughts on Assetto Corsa...

piano.player, Nov 13, 2016 ... 3 4 5

Replies:

80

Views:

2,246

V8Li

Dec 5, 2016
NO ISSUE Some problems with audi sport quattro

x4fab, Nov 1, 2015

Replies:

2

Views:

160

x4fab

Nov 5, 2015
NO ISSUE Sls gt3 fuel tank

Leonardo Ratafia, Dec 14, 2014

Replies:

6

Views:

131

PhenOm

Dec 14, 2014
NO ISSUE Slippery area on nurburgring GP

ssidrdw, Mar 20, 2014 ... 2

Replies:

31

Views:

1,325

r3ck0n

May 21, 2014
NO ISSUE Slight hit in ffb at imola

neel, Dec 6, 2013 ... 2

Replies:

20

Views:

494

CrzBonKerz

Dec 29, 2013

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