Left 4 Dead 2

Left 4 Dead 2

1987 Freddy Fazbear's Pizza
 This topic has been pinned, so it's probably important
Deep Thunder  [developer] 2 Nov, 2015 @ 9:31pm
Crashing to desktop FIXES
If you are crashing to desktop (CTD), please read the following.

I have a discovered the (highly probable) reason for the map crashing. The map itself just simply requires further optimization. But I probably won't get around to doing that because it's boring and I don't feel like it.

All fixes are listed download below.

If you want to take it a step further and permanently fix the multiplayer issue for yourself, please read Guillaume's documented fix here: https://steamhost.cn/steamcommunity_com/workshop/filedetails/discussion/545427336/496880203080412936/#c412446292769227606. Just be aware that this fix is probably annoying to implement yourself.

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Now, for the potentially working fixes:

DISABLE ALL OF MY FNAF MAPS FIRST. This seems to work for a lot of people.


1) Let someone else host. This has worked for me personally and other friends.

2) Use the same mods that your friends are using. If that'll take too long, please consider trying the rest of these solutions.

3) Do NOT host the server if you have so many mods enabled, especially if you intend to have friends join. This will most likely cause issues for everyone. It's best to let someone else with the least amount of mods enabled host the server.

4) Uninstall disabled addons large in size, including campaigns (yes, I hate to say this but even idle campaigns contribute to chances of CTD). If you're tech savvy enough, just move the addons somewhere else temporarily so that you won't have to download them later. Make sure to unsubcribe from them if you downloaded these addons from the Steam workshop.

5) Disable some mods

6) Disable all mods

7) Double check your Sourcemod plugin(s), if using any. This in and of itself can cause unpredictable issues, including CTD. I have 0 experience with Sourcemod so I cannot give specific advice.

8) Verify your game cache (go to your Steam library, right click Left 4 Dead 2 > properties > click the local files tab at the top of the properties window > click verify integrity of game cache.) Might take a few minutes for that process to finsh.

9) Don't move your mouse or press any buttons while on the loading screen. Sometimes, I find myself waiting 5+ minutes for any map to finish loading. The '(Not responding)' message eventually passes. If I press any buttons during the moment it's not responding, it'll crash, but otherwise it eventually finishes.

10) Temporarily unsubscribe from the FNaF 3 map. This has apparently worked for some people.

11) Set the server permissions to friends only. The game seems to crash when people join in progress.


Thanks for supporting me and helping me out by reading this guidelines.

This map was built with the following PC specs:

CPU: Intel Core i3-4030u Dual Core, @ 1.9 GHz
GPU: Intel HD 4400
RAM: 4 GB (Realistically, only 2GB are usable)
OS: Windows 10
Motherboard: TP300LA

The FNaF 2 map was built + tested with these specs, and was tested with only one mod, the Admin System.
Last edited by Deep Thunder; 1 Jul, 2017 @ 7:28am
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Showing 1-15 of 94 comments
dboom 5 Nov, 2015 @ 1:57pm 
Nothing on here has worked for me im sorry D: i tried everything on this list so the Very High chance of one of those working does not include me :/
Last edited by dboom; 5 Nov, 2015 @ 1:58pm
Deep Thunder  [developer] 5 Nov, 2015 @ 2:07pm 
I would list other solutions, but since the addon just crashes while you're on the main menu, it's much harder to diagnose to the issue.

A few questions:

1) What are your PC specs? (if you know them)

2) Have you you tried unsubscribing and resubscribing? (in this order: quit Left 4 Dead 2, unsubscribe from the addon, re-launch L4D2, wait for the rest of your addons to load, minimize L4D2, come back here, and subscribe to the addon. This way, it gets a sure-fire re-install)

I know that may sound "too easy" or whatever but it's worth a shot
Last edited by Deep Thunder; 5 Nov, 2015 @ 4:58pm
Lonely Protogen 7 Nov, 2015 @ 9:50am 
So, how do I fix the issue that, when I'm playing this map, the game will randomly freeze. The game doesn't crash or anything, it just the game will lock-up while playing this map.
Lonely Protogen 7 Nov, 2015 @ 12:16pm 
After playing around with the map. I now know what locks-up my game. It locks-up when I'm going around getting the plushies.
Deep Thunder  [developer] 7 Nov, 2015 @ 12:26pm 
To be completely honest, I have no idea why it locks up, even when going around to get the plushies. Everyone seems to be having unique issues and there doesn't seem to be one root cause.
GamerZ1197 9 Nov, 2015 @ 2:35pm 
mines crashes when I am almosted loaded into the map I know there is something just not sure what it is or what is causing it all the other Fnaf maps worked fine just this one is not working for me
GamerZ1197 9 Nov, 2015 @ 2:38pm 
side note I use a standard toshiba laptop if that is any help
Lonely Protogen 9 Nov, 2015 @ 2:39pm 
Same here, I also use a Toshiba Laptop.
Deep Thunder  [developer] 9 Nov, 2015 @ 3:07pm 
Originally posted by GamerZ1197:
mines crashes when I am almosted loaded into the map

Originally posted by Millie "Tailsko" Prower:
It locks-up when I'm going around getting the plushies.

After some thought, I'll theoretically conclude that the issue is:

1) A lack of PC specs The need for faster PC specs. The map could be resource-intsensive.

2) Probably something in the map.

@GamerZ1197 If it's loading, and you don't move the mouse at all, do you still crash? (Might sound silly, but there is a brief period of time when the map/players are active, but the game has yet to unfreeze)

@Millie "Tailsko" Prower, You said "when you're going around getting plushies". It is a specific room that you walk in? A specific direction that you look in? (Yes, I've had the map crash on me when testing alone just from looking in a certain direction.) A specific plushie that you go to and/or pick up?

Originally posted by Gamerz1197:
side note I use a standard toshiba laptop if that is any help

Originally posted by Millie "Tailsko" Prower:
Same here, I also use a Toshiba Laptop.

Making progress; I would need to know your sub-models to understand the unique inner workings.

What I really need to know is the processor and amount of RAM. If you don't know what they are; On your laptop, go to Control Panel > System.

From there, the Processor and Installed Memory (RAM) should be listed.
Last edited by Deep Thunder; 5 Mar, 2016 @ 10:50am
Deep Thunder  [developer] 9 Nov, 2015 @ 3:14pm 
And just to double check, you guys did try disabling or uninstalling my other FNaF maps, correct?
Lonely Protogen 9 Nov, 2015 @ 3:17pm 
Originally posted by Deep Thunder:
And just to double check, you guys did try disabling or uninstalling my other FNaF maps, correct?
That is correct.
Lonely Protogen 9 Nov, 2015 @ 3:20pm 
My model is a Satellite A665 and the processor is Intel(R) Core(TM) i7 CPU Q 740 @1.73GHz 1.73 GHz System type is 64bit.
Lonely Protogen 9 Nov, 2015 @ 3:21pm 
I don't know what I did to cause the game to lock-up while on the map, even if I collect the plushies or not. It just randomly locks-up now.
dboom 9 Nov, 2015 @ 4:10pm 
Originally posted by Deep Thunder:
And just to double check, you guys did try disabling or uninstalling my other FNaF maps, correct?
yes i have i literly uninstalled all my mods to try to play this map and idk exactly what specs i have but tried to install the map while in the game i still instantly crash when it finishes
GamerZ1197 9 Nov, 2015 @ 4:14pm 
I have just tried not moving my mouse like you suggested and it still crashed it is just before the bar is full and the map has fully loaded up that it crashes
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