Known Issues

[Simon]

Hey everyone!
Thanks for being patient with us so far.
Here is a list of issues we already know about. If possible, we will provide instructions on how to fix them on your end.

If you encounter a bug not in this list, make sure to send a detailed bug description to [e-mail], along with any log files, crash dumps, screen shots, saved games you think might help us.
Locate the save data directory in the following location, depending on your operating system:

• Windows Vista/7/8/10: Inside your user folder, usually C:\Users\<username>\My Documents\My Games\Binding of Isaac Rebirth
  
• Windows XP: Inside your user folder, usually C:\Documents and Settings\<username>\My Documents\My Games\Binding of Isaac Rebirth
  
• Mac OS X: ~/Library/Application Support/Binding of Isaac Rebirth/
  
• Linux: ~/.local/share/binding of isaac rebirth

For the DLCs, the folder is called "Binding of Isaac Afterbirth", or "Binding of Isaac Afterbirth+" instead of "Binding of Isaac Rebirth".
Locate your Steam Cloud remote directory in the following location, depending on your operating system. This is where your saved games are located:

• Windows: Inside your Steam install folder, usually C:\Program Files (x86)\Steam\userdata\[account id]\250900\remote
  
• Mac OS X: ~/Library/Application Support/Steam/userdata/[account id]/250900/remote
  
• Linux: ~/.steam/steam/userdata/[account id]/250900/remote

Afterbirth crashes/glitches on startup, Rebirth ran fine

This might be caused by leftover Rebirth mods. After installing Afterbirth, make sure to get rid of all Rebirth mods.
Right click on the game in your Steam client, go to "Properties", "Local Files", "Browse Local Files..."
Enter the "resources" folder. There should be one folder in there called "packed". Anything else in the "resources" folder (xml files, gfx folder, etc) you should probably delete if you have issues with running Afterbirth.

Crash on game initialization

Some people are not able to start the game right now. Usually the "Preparing to start game window" pops up and nothing happens. The log looks like this:

timeBeginPeriod( 1 )
GLFW Error 65542: WGL: The driver does not appear to support OpenGL
GLFW Error 65542: WGL: The driver does not appear to support OpenGL
Failed to create OpenGL window / context
Caught exception, writing minidump...

Most likely some OpenGL extensions are not supported by your graphics card or driver. There is nothing we can do about that at the time being.

• Try installing the most recent graphics drivers. Sometimes it helps to uninstall the drivers included with the operating system and installing the ones directly from the vendor site (NVIDIA, AMD, Intel ...).
  
• If you have both an integrated on-board graphics chip, and a discrete graphics card, make sure running the game on the discrete graphics card.

Important! Binding of Isaac: Rebirth needs OpenGL 2.0 support, OpenGL 3.0 is recommended. If your graphics card does not support OpenGL 2.0, you are probably out of luck.

Another common reason for the game to crash at startup is that the game files are broken. You can tell the Steam client to automatically check the game files for errors and re-download broken ones. Right click on "The Binding of Isaac: Rebirth" in your games list, select "Properties", "Local Files", "Verify Integrity Of Game Cache..."

Keyboard getting stuck randomly

This seems to mostly happen on the Logitech G110 keyboard, but others might be affected, too. Try to disable controller hotplugging.
You can disable gamepad hotplugging by changing "ControllerHotplug=1" to "ControllerHotplug=0" in the Options.ini file, which is located in your save data folder. Look at the top of this page for instructions on how to locate the save data folder on your PC.

Sound effects not working

A common issue seems to be that the music is working, but the sound effects are either missing or only coming from one side of your Stereo speakers.
You can try different settings for your speakers, e.g. switch from Surround to Stereo mode or vice versa.
What could also work is using a different version of the OpenAL libraries.

• Install the OpenAL libraries from https://www.openal.org/downloads/oalinst.zip
  
• Go to your game folder by right-clicking on "The Binding of Isaac: Rebirth", then selecting "Properties", "Local Files", "Browse Local Files..."
  
• Delete or rename OpenAL32.dll

If the instructions above solve your sound effects problem, we would appreciate a short mail to [e-mail].

Speed issues, unstable framerate

For some players the game is running either too fast or too slow, on systems where performance is not the issue. If you are experiencing this, try disabling VSync by changing "VSync=1" to "VSync=0" in the Options.ini file, which is located in your save data folder. Look at the top of this page for instructions on how to locate the save data folder on your PC.

Performance issues, or shader problems

In case you are suffering from speed issues because of slow graphics hardware, or if some shaders don't work for you, you can disable certain effects.
Locate the resources folder by right clicking on the game in your Steam client, then selecting Properties, Local Files, Browse Local Files. Double click on the resources folder.
On Mac you have to right-click on the app bundle, select "View Package Contents", go into Contents/Resources/resources, then create the file there.
Create a new file called "config.ini" with the following content.

[Options]
EnableColorCorrection=0
EnableCaustics=0
EnableShockwave=0
EnableLighting=0
EnableFilter=0
EnablePixelation=0
EnableBloom=0
EnableWaterSurface=0
EnableInterpolation=0

This will disable most special effects. If you only want to disable certain effects, you can do so by replacing 0 by 1 for some options. I would recommend leaving the EnableLighting option on because it adds a lot to the game's atmosphere.

For some weak graphics cards, the fill rate might be a problem. Open the options.ini file in your save data folder with a text editor. Look at the top of this page for instructions on how to locate the save data folder on your PC. Look for a line saying "MaxRenderScale=2" and change that to "MaxRenderScale=1".
This will make the scrolling more choppy and add some artifacts to scaled sprites, so you might want to change it back in case your experience isn't improved by it.

Afterbirth+ crashes on startup

You need to have both Afterbirth *and* Afterbirth+ DLCs installed. When you go to the "DLC" tab in the Steam properties make sure the box next to "The Binding of Isaac: Afterbirth" is checked, too.
Also, it could be an issue with one of your mods. You can disable your mods either by going to Steam Workshop, or by setting "EnableMods=0" in your Afterbirth+ options.ini. Look at the top of this page for instructions on how to locate the Afterbirth+ save data folder on your PC.

Audio noise for hardware connected on USB

If you experience crackling, or otherwise scrambled audio, and your audio hardware is connected via USB, it might be that the gamepad hotplugging is interfering with your USB.
You can disable gamepad hotplugging by changing "ControllerHotplug=1" to "ControllerHotplug=0" in the Options.ini file, which is located in your save data folder. Look at the top of this page for instructions on how to locate the save data folder on your PC.
What also might help is to avoid connecting your audio hardware (speakers, headphones, headset, microphone) via USB, if that is an option for you.

Motion sickness caused by the camera

You can switch to a different camera mode by changing "CameraStyle=1" to "CameraStyle=2" in the Options.ini file, which is located in your save data folder. Look at the top of this page for instructions on how to locate the save data folder on your PC.

[Rocky]

The isaac-ng.exe crash is back again . After a week or two of functioning, this game is completely broken again. Whatever you guys did on your last patch, it screwed up the game again for me. I'm sick of this. Seriously, learn how to program your damn game.

I'm not going to be going into specifics because I already made a post about this same exact issue when afterbirth first came out so go back like 50 pages. Many people are occasionally getting this issue as well. My GTX970 and i5-4670 should have NO problem with this game.

[nyd]

1001% is still buggy.

[PenguinMcCool: OMFG...]

During my last Mega-Satan fight, Bumbo wandered to the top right corner of the screen and didn't move the entire time. Just sat there looking annoyed.

[FishyDreamer]

Bug: When Missing No. or another item randomizer is used when a large amount of items has been acquired, the game will bug out at a random point and result in only a few items. Rerolling these items again after acquiring a new item will result in the game resetting to these few items.

Created: This began by finding Restock and 2 Steam Sales to buy everything from the shop before the Hush fight. The shop eventually gave out Chaos which lead to Missing No.

Edit: Having done further testing, the exact items that will always nearly happen after Missing No. rerolls everything into oblivion are Dinner, Halo of Flies, [Random Item] (May be Number One in default and Restock in Greed), 9 Lives, and Missing No.

[kyle]

I don't exactly understand how you could get motion sickness but whatevs

[CaliberKnight]

So i have a problem with rebirth and basically I downloaded a mod the isaaccharactereditor and well i made a character for azazel shot story sibling clicks on the save character and export buttons on the editor while its running and then exited it and re tried it opening rebirth and probelms happened.
So it didnt start up and says BInding of isaac rebirth stopped working and i kept trying to get it work by letting steam update restarting/ turing of my computer and deleted the mod itself and redownloading rebirth but nothing has change. When i was reading the things in this list that was made to hopefully end this problem but it hasn't and im not saying your bad at what your doing or anything but can you please help!!!

[Galgari]

I had finished a run on hard mode with Judas, and i beat mega satan. Only that I only unlocked "Belial Baby", the Mega Satan achievement, but not Brown baby, the all completion mark achievement, as it should have. This bug has only affected me in game, but not my achievement list on steam.

Long story short, an unlock didn't display in-game, is still locked, but i have all completion marks displayed + steam achievement for it

Anyone have a solution?

[CapShepard]

After you import the data from the Rebirth to Afterbirth, I lost all the progress for all characters in dark room. Developers fix this, pls.

[Wolf Man Dan]

Bug Report: During Onan's Streak Challenge.
At the point of completing the challenge, if you fire a tear and take damage during the 'picking up the trophy' animation, you become stuck in the centre of the room, unable to move or fire a tear and the trophy will dissapear.

Solution to those that suffer from this:
1) Exit the run.
2) Continue the run
The trophy will respawn in the centre and you will respawn at the door and you can complete the challenge.

You can make the bug happen everytime you respawn and the solution works everyime so far as well.

[LASD]

How are completion mark bugs not a known issue? Mine are still majorly screwed and I have no idea which one of the bosses I actually have beat on hard and which I've not. Kind of takes the point of the game away. Incredibly annoying.

[元气满满小布桑]

Thank you so much

[hallgat89]

Isn't EnableWaterSurface=0 supposed to disable the water effects on flooded levels? Under linux it seems to change nothing, and those levels are tooooo slow doe to the water effect.

[Café de Joey]

Αναρτήθηκε αρχικά από hallgat89:

Isn't EnableWaterSurface=0 supposed to disable the water effects on flooded levels? Under linux it seems to change nothing, and those levels are tooooo slow doe to the water effect.

Yeah flooded caves, the womb in greed mode, and burning basement lag like hell for me...

[Café de Joey]

Αναρτήθηκε αρχικά από Drag0nmastr7156:

Αναρτήθηκε αρχικά από hallgat89:

Isn't EnableWaterSurface=0 supposed to disable the water effects on flooded levels? Under linux it seems to change nothing, and those levels are tooooo slow doe to the water effect.

Yeah flooded caves, the womb in greed mode, and burning basement lag like hell for me...

I don't know what enablewatersurface=0 is, but knowing how commands work, it should disable the water.

[SLima]

I don't know if this is a glitch or a problem on my computer but i will report it anyway. When i'm playing in my notebook i can't use certain spacebar items (candles, Bob's Rotten Head, etc). What probably is happening is that whenever i press the spacebar it basically counts as a double press thus immediatelly canceling the use of those space bar items that have that raise up animation. It also causes unnecessary double uses of Guppy's Paw consuming two red hearts at once. Also this seems to be affecting my command to switch between pills/tarot cards when i have items that allow me to carry more than one of those (Starter Deck/Little Baggy/Deep Pockets). The command to drop them to the ground works fine but switching between them is not possible at all. Also this problem happens occasionally when pressing the Q key to use the cards/pills (consume both simultaneously) but very infrequently. Does anyone else have or have heard of this problem?