Subnautica: Below Zero

Subnautica: Below Zero

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Game won't start : missing winhttp.dll
SBZ was working well and suddenly it won't run. Nothing happens in steam when I try to start. When trying to run the .exe in the steam folder it gives the error that I am missing winhttp.dll and need to reinstall. I'm running windows 11. Tried reinstalling, verifying game files, updating drivers, a few other things like going experimental and back. Can't get the game to run at all. I also can't replace or modify anything in system32 without serious risk, no other software gives me the dll error. Any ideas would be great.
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Showing 1-15 of 16 comments
Consider yourself lucky?

I'd pay money to delete this game from my memory
try to run the game in Win7 compatibility mode
but
upgrading an OS too early is often not a good idea, it's not the 1st time I read that games do not run in win11

and also I have this .dll in not so good memory. is often associated with ad/malware. does not have to be but caution is advised there
TheGraveDigger Feb 16, 2022 @ 2:16pm 
Originally posted by almost_a_jill_sandwich:
Consider yourself lucky?

I'd pay money to delete this game from my memory
you could try being helpful rather being that kind of a person
Zloth Feb 18, 2022 @ 6:07pm 
I agree with the second poster - do a virus scan ASAP.

When you said you tried re-installing, do you mean the game? You might need to check the OS. Microsoft has help on how to do that here: https://support.microsoft.com/en-us/windows/using-system-file-checker-in-windows-365e0031-36b1-6031-f804-8fd86e0ef4ca
funkynutz Feb 23, 2022 @ 7:53am 
I'd guess OPs antivirus has flagged the dll as fishy and quarantined it. Set an exception for the game's folder in the antivirus, verify files, try again.

Originally posted by Ǥɾᴧᴤʆᴧᵯᴧ:
try to run the game in Win7 compatibility mode
but
upgrading an OS too early is often not a good idea, it's not the 1st time I read that games do not run in win11

and also I have this .dll in not so good memory. is often associated with ad/malware. does not have to be but caution is advised there

Game works fine on 11, I was just running it a minute ago. In fact I've not found any game with problems yet after upgrading a few months ago. And I play a variety of old and new games... Some of them from as far back as 20+ years ago.
Originally posted by FunkynutZ:
I'd guess OPs antivirus has flagged the dll as fishy and quarantined it. Set an exception for the game's folder in the antivirus, verify files, try again.

Game works fine on 11, I was just running it a minute ago. In fact I've not found any game with problems yet after upgrading a few months ago. And I play a variety of old and new games... Some of them from as far back as 20+ years ago.

to make an exception for AV is a veeeery very bad idea if you do not know what's going on with the files. you can make an exception for the subnautica.exe when you know this file is not altered. for the whole game directory is really not a good advice and never will be.

yeah, you say your old games do work on win11, might be your games but Win11 is in beta - kind of- and will crash programs from time to time, like it happend in win10. so upgrading to win11 is atm not a good idea also. the games wont run faster with this OS.

sorry but i won't do the thing you've talked about *g*
Zloth Feb 23, 2022 @ 7:21pm 
Funky, are you suggesting turning off the AV just while the verification is being done, then turning it back on? That doesn't seem so bad to me, but I think it would be better to just wipe out certain files in that directory (.exe and .dll files).

I take back what I said last week. I didn't realize there was a winhttp.dll in the game directory! The details say it's a Unity "doorstop"?? No clue what that is. You could just delete the file then tell Steam to do verification, though, to replace it.
BAD *Man Feb 24, 2022 @ 6:47pm 
Did you make an upgrade to Win 11 or clean install ?
I had several bugs upgrading..
since the clean install all works fine
its because you have subnautica installed on the drive where windows isnt installed i was having the same problem just go to properties and files and move it to your main drive and it will work.
crackeater Jun 27, 2023 @ 9:58am 
Originally posted by xjac0bmichaelx:
SBZ was working well and suddenly it won't run. Nothing happens in steam when I try to start. When trying to run the .exe in the steam folder it gives the error that I am missing winhttp.dll and need to reinstall. I'm running windows 11. Tried reinstalling, verifying game files, updating drivers, a few other things like going experimental and back. Can't get the game to run at all. I also can't replace or modify anything in system32 without serious risk, no other software gives me the dll error. Any ideas would be great.
search for winhttpl.dll and when you find it change all the letters to uppercase
Art3mis42 Jul 8, 2023 @ 3:54am 
has anyone solved this? please tell me how
Ignis Jul 8, 2023 @ 1:48pm 
winhttp.dll should be in system32. If it's in the Subnautica installation folder, it means it came from a modded installation. In this case try to remove the mods.

To repair a Windows installation, you could try the following in "cmd.exe" run as an administrator:

DISM.exe /Online /Cleanup-image /Checkhealth
DISM.exe /Online /Cleanup-image /Restorehealth

sfc /scannow
Last edited by Ignis; Jul 8, 2023 @ 1:49pm
Dr. D and D Jul 13, 2023 @ 7:28pm 
Originally posted by crackeater:
Originally posted by xjac0bmichaelx:
SBZ was working well and suddenly it won't run. Nothing happens in steam when I try to start. When trying to run the .exe in the steam folder it gives the error that I am missing winhttp.dll and need to reinstall. I'm running windows 11. Tried reinstalling, verifying game files, updating drivers, a few other things like going experimental and back. Can't get the game to run at all. I also can't replace or modify anything in system32 without serious risk, no other software gives me the dll error. Any ideas would be great.
search for winhttpl.dll and when you find it change all the letters to uppercase
Thank you so much
Art3mis42 Jul 20, 2023 @ 12:11pm 
It was the mods.
Fevil Jul 23, 2023 @ 6:36pm 
Originally posted by Op9465:
It was the mods.
i hate vortex a lot imo.
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Date Posted: Feb 14, 2022 @ 9:15pm
Posts: 16