Please Ease up your Anti-Cheat

General Feedback & Requests
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In the month of April, I stumbled upon Epic Games’ MegaGrants program with roughly 10 days left to submit an application, I decided to throw my hat into the ring creating a prototype for my most ambitious project. To do this, I decided to download UEFN onto my laptop. I bought a flash drive, downloaded UEFN to it and got to developing.

Problem: Due to an easy anticheat error (30004), I am unable to start a session, meaning I can’t test my code, meaning using UEFN is impossible.

So I went online and asked for solutions, and got none.

https://www.reddit.com/r/FortniteCreative/comments/1jvjuzz/any_help_is_appreciated/

I was forced to remove everything and then some from my computer just to make space for UEFN, and then redownloaded it to my computer with 4.7 gigabytes to spare.

A literal day later the update with Sabrina Carpenter (which was like 5.3 gigs if I remember correctly) came out and I could no longer make my prototype on UEFN.

This situation should not have happened. My computer can run Fortnite, in fact, regardless of whether or not Fortnite was supposed to work on a flash drive, I could load into a normal game just fine only in UEFN did I have any problems. This game and others like them, is gigabytes on top of gigabytes and it only ever gets worse (your last update was 27 gigabytes, for comparison, Team Fortress 2, a whole other game, is roughly 38 gigabytes). I should not be expected to have all of that space and more on my C: Drive, not everyone can afford to replace parts, even if they can, they may (like me) have a laptop incapable of having their hard drives replaced. A simple solution would be an external hard drive or a flash drive, but when I use UEFN on a flash drive, Easy Anti-Cheat flares up and prevents a crucial feature for developing with UEFN. If I did get the grant, the first thing I’d have to use it on would be a new computer, because as it stands now I and anyone else in my situation are literally unable to develop anything with UEFN

I have done plenty on regular UE5 without issue on this thing, but because of your anti-cheat I literally cannot use UEFN.

While I have many questions, and angry comments that I could write, the bottom line is this.
Fortnite is 123 gigs, and only ever gets bigger, the computer with enough space today, won’t have enough space 2 seasons from now, and not everyone can just get a bigger hard drive or a new computer.

Why, then, are we unable to use external drives to circumvent these issues? I may not have 1800 dollars to get a pc with 27 more gigabytes of space on it’s hard drive, but I DO have 60 dollars to spend on a 1 terabyte hard drive. An anticheat, of all things, is preventing me from using UEFN.

…but not Battle Royale, which is crazy. It’s been 2 months and this situation still makes me angry, please fix this.

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The timeouts are a bit ridiculous, my session is always dead when the game finally does launch. Then a couple times a day the game can decide to freeze for ~15 seconds even in the main menu which causes the anti-cheat to trigger and close the game. Thanks. So I just don’t ever launch the game from UEFN.

My workaround is to launch the game from EGS first, wait for it to load, then start the UEFN exe file (as admin cause otherwise UEFN crashes with a login failure) from the game folder since EGS can’t handle starting two “games” at the same time. Note if the game crashes/closes for any reason, you can’t re-open it from EGS without closing down UEFN and VS Code first. Great stuff :smiley:

The UEFN executable is found in EpicGames\Fortnite\FortniteGame\Binaries\Win64UnrealEditorFortnite-Win64-Shipping.exe for those interested

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I find it very weird, I have 4 drives on my computer for organization, and it works fine everything…

Windows is installed at Local Disk (C:)
Epic Games Launcher is installed at Programs (D:/Program Files (x86)/Epic Games/Launcher)
Fortnite and UEFN is installed at Games (E:/ProgramFiles/Epic Games/Fortnite)
My UEFN Projects is stored at Archive (F:/UEFN Projects)

Additionally, I also have some UE builds (4.27, 5.1, 5.3, 5.6) on Programs (D:/Program Files/Epic Games/UE_XXXX)

I always used this format for many years, not only for fortnite but any program and game that I install from epic or any other source, and never had any problems with it…

All my drives are High-End NVMe SSDs, so idk if this anti cheat error may be related to limitations on Read/Write speeds…

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I already had problems on the past related to symlink folders causing validation errors when trying to launch a session in the UEFN, but that was also already fixed a long time ago and is pretty much unrelated to the anti-cheat itself…

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Do you mean your computer has “4.7 gigabytes to spare?” This won’t be enough at all to run most heavy duty programs sufficiently, nor some intermediate level programs. I bet even your Word and stuff are slow. You should have at least 50 to 100 GB on any computer drive extra to run programs, especially the drive where your operating sytem and UEFN is installed.

Why?

  • Operating system caching needs free space to operate efficiently.
  • Any graphic Programs like UEFN, Blender, etc., need lots of free GBs just for temp files, compiling shaders, and saving projects.
  • Windows updates often fail when free space is under ~10 GB.
  • Performance tanks when your drive is almost full due to disk fragmentation and lack of space for virtual memory will cause programs like UEFN to crach or not launch sessions for Fortnite testing at all.

In my experience, you need at least 50GB extra on your computer to run programs, but these days is almost 100GB with windows, UEFN, and if you have other programs to.

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This is only an issue if your load times are too slow, this could be because of your storage device, CPU speed, general system load at launch etc etc. The folder path itself isn’t the cause.

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