Arma 3
Fraali 28. feb. 2017 kl. 4.17
5
Re-downloading Workshop Mods [POSSIBLE FIX]
If you or your computer screwed up, and steam is now re-downloading the plethora of mods you had installed, then this discussion is for you!

*NOTE* IF YOU HAVE COMPLETELY DELETED THE MODS FROM THE COMPUTER THIS WILL NOT HELP YOU

Backup the file(s) we work with before editing, you have been warned

A little more detail on the problem we'll be dealing with. Your computer BSOD'd or you did something wrong, causing the app-manifest for Arma (Or any steam game) to become corrupt and think you haven't downloaded anything from the workshop even though you have the files.

Before we start, close steam.


  1. Locate your steam install with the workshop files downloaded.
    "C:\Program Files (x86)\Steam\steamapps\workshop"
    by default.

  2. Find the file "appworkshop_107410.acf" and open it with a text editor.
    This is Arma's app manifest for workshop items.

  3. In this file, you will see something similar to the screenshot below, with length varying on how many mods you have installed.
    Screenshot[puu.sh]

  4. Installed mods are under "WorkshopItemsInstalled",
    and all workshop items subscribed under "WorkshopItemDetails".

  5. You will want to delete everything under "WorkshopItemsInstalled", except for the 2 braces so it looks like this. Screenshot[puu.sh].

  6. You will then want to copy everything under "WorkshopItemDetails", and paste them in place of everything you just deleted.

  7. Save the file, and if everything was done correctly, you can start up steam without having to re-download every workshop item.
*Reminder to backup the file before saving


My formatting is atrocious, but I don't usually post, came across this solution by chance, and thought it might help someone.
Sist redigert av Fraali; 25. des. 2020 kl. 4.27
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Faycal#6941 20. juni 2017 kl. 17.52 
Thanks, this saved me from redownloading 34GB+ of compressed workshop content.

The only issue now is Steam is reporting a Depot Configuration Error for Arma 3.
Sist redigert av Faycal#6941; 20. juni 2017 kl. 17.52
ItzJerry 20. aug. 2017 kl. 14.20 
I love you so much, thanks. Saved me from downloading 70 gigabytes of add-ons, thank god people like you exist.
Fraali 22. aug. 2017 kl. 11.02 
Glad I can help even one or two people with this ^^
ItzJerry 1. sep. 2017 kl. 8.43 
Happened to be again, bookmarking this.
Standish 13. sep. 2017 kl. 19.00 
Damn mate, you're a bloody legend. Saved me from a 90GB download.
Yankee43 8. okt. 2017 kl. 15.30 
Hello, I have this issue but its hard to do this because my file looks like this...

https://gyazo.com/8190b81cea05a87826457d0c17342f42

Help me, trying to download 56 gig, my internet is ♥♥♥♥ at 150 kbps... Help
eBGL_Menios 8. okt. 2017 kl. 19.06 
@TylerGuy456 Download notepad++
Fraali 8. okt. 2017 kl. 21.33 
Opprinnelig skrevet av TylerGuy456:
Hello, I have this issue but its hard to do this because my file looks like this...

https://gyazo.com/8190b81cea05a87826457d0c17342f42

Help me, trying to download 56 gig, my internet is ♥♥♥♥ at 150 kbps... Help

Using Notepad++ is among the best programs for this sort of thing.
Standish 9. okt. 2017 kl. 6.23 
Notepad++ is amazing for pretty ugh anything. I use it for modding a whole variety of games, Arma included.
Crzy_Akeer 25. jan. 2018 kl. 14.19 
I love you mate.
Demsity 26. jan. 2018 kl. 12.03 
This did not work for me, however I found a "fix" thanks to you.

In the "C:\Program Files (x86)\Steam\steamapps\workshop\Content" I found the mod folder, changed the name to "@RHS_whatever" and changed it to the ARMA 3 root folder. Then loaded them as local mods. They wont get updated this way but atleast I wont have to download 100 gb worth of mods on a 200 gb restriction per month internet :)
ItzJerry 26. jan. 2018 kl. 16.25 
^ Good luck playing online, the first time I followed this tutorial it didn't work, it still tried to download. I restarted and tried again and sure enough it worked.
Fraali 27. jan. 2018 kl. 20.24 
I didn't cover everything I could, as it was intended more for a quick guide. I may or may not polish it up, update a few things and use answers from here at a later date :)
Veemo 24. feb. 2018 kl. 4.31 
I hosting missions for 25 today, with out you my whole clan will be rly MAD #YOUMYHERO :firstaid:
Mamafeinn 3. mars 2018 kl. 10.11 
a huge THANK YOU
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