Assassin’s Creed 4 Black Flag PC Random Crashes, Crash to Desktop, FPS Drop, Black Screen and other Issues’ Fixes


Assassin’s Creed is back now this time all about pirates, ships open-world environment. The year is 1715 and Pirates rule the Caribbean and established their own lawless Republic where corruption, greediness and cruelty are commonplace. But no problem, there is a brash young captain named Edward Kenway to take them down. Check below the complete PC crashes, issues and their fixes guide.

Assassin’s Creed IV: Black Flag System Requirements

First of all, meet your system’s specifications to game’s requirements and keep in mind that Windows XP isn’t supported the latest Assassin’s Creed episode.

Assassin’s Creed IV: Black Flag Minimum PC Requirements

  • Operating Systems: Windows Vista SP2, Windows 7 SP1 or Windows 8 (32/64 bit versions)
  • Processor: Intel Core2Quad Q8400 or AMD Athlon II X4 620
  • RAM: 2 GB
  • Graphic Card: NVidia GeForce GTX 260 or AMD Radeon HD 4870
  • Hard Disk: 30 GB of free space
  • Sound Card: DirectX Compatible Sound Card with latest drivers
  • Peripherals: Keyboard and Mouse required as for much Microsoft Xbox360 Controller is optional
  • Multiplayer: Require at least 256 kbps or faster broadband connection to play online

Assassin’s Creed IV: Black Flag Recommended PC Requirements

  • Processor: Intel Core i5 2400S, AMD Phenom II x4 940 or better
  • RAM: 4 GB
  • Graphic Card: NVidia GeForce GTX 470, AMD Radeon HD 5850 or better

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Assassin’s Creed 4 Black Flag Supported Graphic Cards

Black Flag requires at least NVidia GeForce GTX 260 or better and GeForce GTX 400, 500, 600 and GTX 700 series with 327.23 WHQL drivers. As for much from AMD HD series, HD 4870 or better and Radeon HD 5000, 6000 and 7000 series are recommended with 13.4 versions of Catalyst drivers to play Assassin’s Creed IV Black Flag with high performance and nice FPS. Remember, if you are running these graphic card series integrated in Laptop or Notepad may work fine but not official recommended or supported.

Assassin’s Creed IV Black Flag First Update 1.01 Fixes

It is highly recommended to download and apply the first day update 1.01. The new update has several bugs, crashes, errors fixes.

Assassin’s Creed IV Black Flag Configuration File

You can find game’ config file from Documents/Assassin’s Creed IV Black Flag, here Assassin4.ini file.

Important Tips and Trick to avoid Assassin’s Creed IV Black Flag related Issues and Problems

  1. Don’t install game into Windows folder
  2. Disable all running background applications before run the game
  3. Install latest hardware driver especially Graphic Card Drivers.

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Assassin’s Creed 4 Black Flag Disappear from UPlay

It is a known issue but you can fix it by restarting UPlay client. If problem persists then restart your PC and internet modem or router also.

Assassin’s Creed 4 Black Flag isn’t Launching or Starting

When you try to launch AC4BFSP.exe, nothing happen but process showing in Task Manager. This problem occurs when you have not installed UPlay and Steam Client. It is also recommended to install DirectX and other redistributables.

Assassin’s Creed 4 Black Flag Save Game Issue

First of all, try to run game by ‘Run as Administrator’ if problem persists then verify the game cache files from Steam. It is also recommended to install or update UPlay client. You can also try to turn off Ubisoft’s Cloud saving to fix this problem.

Assassin’s Creed 4 Black Flag No Sound, Delayed Sound or Dialogues Fix

The game demands latest drivers for sound card, so download up-to-date drivers to auto-fix this issues, it is also recommended to install latest DirectX.

UPlay isn’t accepting Assassin’s Creed 4 Black Flag Key

This problem may occur when your installed UPlay is out-of-date. So download latest UPlay client and remember uninstalled the old one and restart your system before installing new and latest UPlay. Then you can enter and register game’s key.

Assassin’s Creed 4 Black Flag Low Performance and FPS Drop Fix (Graphic Tweaks)

To fix this problem, install latest drivers of graphic card. Try to run game in lower or max resolution to fix this problem. You can also turn-off Motion Blur, FXAA, HBAO, Volumetric Fog and V-Sync as well to boost your performance and FPS but it will reduce graphics.

How to fix Assassin’s Creed 4 Black Flag V-Sync or Screen Tearing

It is very known issue and will be fixing in upcoming patch but I have a temporary solution. If you have installed beta drivers for your graphic card, then un-install and download the full drivers and install it. It will enhance your FPS and fix screen tearing.

Assassin’s Creed 4 Black Flag – AC4BFSP.exe has stopped working/responding

In Black Flag campaign/single player, this is a much known issue; you must apply the Patch 1.01. If problem persists, AMD graphic card users must have 13.1 or above Catalyst Drivers installed, it will help to fix this issue. It is also suggested to reduce graphic settings as told in above problem.

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Assassin’s Creed 4 Black Flag Multiplayer isn’t working

When you try to connect multiplayer or online it says, “Ubisoft services are not available”. As you know the game isn’t yet official released, you must have to wait for November 19 or more for various regions to unlock multiplayer option.

Assassin’s Creed 4 Black Flag Crashes or Black Screen but Sound is working – Fix

It is due to SLI or CrossFire; disable them before start the game. If you aren’t using SLI or CrossFire then you should reduce graphic settings and turn-off most of graphic options such as V-Sync, Motion Blur etc.

Assassin’s Creed 4 Black Flag Flickering Graphics or Missing Texture on Ultra-High Settings

As usual the latest graphic card drivers and patch 1.01 must require, if you have problems such as graphics flickering or missing texture on high or ultra-graphic settings then you must also increase resolution to fix this issue. I personally apply this solution; I just increase resolution and graphic fixed.

We are working to fix more crashes and problems, share your experience with us…

  • Alessio

    game pad problem low walk don’t exist

  • Boozeboy

    Where do I download the patch?

    • NanoSuitUser059 .

      You should have the update the day after the game came out. You can tell if you have the patch in the bottom left area in the main menu. Nvidia’s driver and 1.01 patch really helped my dual cards out. I hope it’ll help you out, too.

    • Spookz

      If you are using original one, you can simply download it from the ubisoft. If you are using cracked version you have to wait for the same cracker update version.

  • Boozeboy

    Don’t know if this works with everybody but I went to nvidia and downloaded an auto patcher for my driver, and now it works, I hope this helps other people too

  • Boozeboy

    You have to download the Geforce experience, it worked with me at least

  • sky

    i download the uplay , but i’m not able to install it …………….

    i have problem in launching the game

  • Spookz

    I have a strange problem i think, i can play the game for a few minutes… but after that game simply freeze and stop to work, when i press ctrl+alt+del it says “not responding”. Any idea how can i fix this?

    • joe

      i have same troble with u..

  • Fitchi

    I can’t open my game. I get all the ads for Nvidia and Abstergo and such, but when the logo (Assassins Creed IV Black Flag) shows up the game freezes in a black screen. Have reinstalled twice, and restarted pc, i have also validited that all files are there. I just want to play the game :/

  • Rõüðrò Mukhopadhyay

    I Have A Strange Problem Whenever I Play the Game for sometime the start menu of the game automatically appears every time
    I have reinstalled it thrice and restarted it many times . Help

  • pcgamer

    i cannot save assassins creed 4…i dont know how to fix this.please help

  • once again allways lost

    was wondering how does a high def game like this have spdif issues its 2013 optical wtf ubi i have to buy new speakers ? patch this or be arrr’ed from now on

  • once again allways lost

    and no updating the phoebus drivers dont do shit its a developer issue makes me wonder if i ripped it as a steam type would i have my damn config options file to **** with for a no duh fix

  • once again allways lost

    if this dont get fixed im raping off watchdogs and any pay 80 for watchdogs ..

  • Saad

    Let me add a new temp fix for low fps. While playing game, just hit ctrl+alt+del and open task manager, close it, and switch back to game by hitting alt+tab, boom, smooth fps now …

    • jan

      This also helps when you have a black screen after starting the game. You sir are my hero for to day 😉


      • Saad

        Shukrya 😉

  • Sushant Patil

    Hey guys for people with AC4BF.exe has stopped working problem…………. I had the same problem and had struggled 2 days to make it work the problem is not with the game or ur comp specs its about the os. First i had tried with win7 ultimate it didnt work may be my os was messed up then i thought lets try this with win8.1(dual booted in my pc) and guess what it worked perfectly fine and ive just told u the solution and here is the link for win 8.1 full free with serial key

  • Spooky12

    where do i get the patch?

  • Mohammed Issa

    My processor is Intel dual core i3- 2.3 GHz:, could it be the reason for AC4 crashing after main menu….PLZ Reply