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Invalid game folder

Scheduled Pinned Locked Moved MW3 Client Support
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  • SIIK_Flare Offline
    SIIK_Flare Offline
    SIIK_Flare
    wrote last edited by
    #10

    I can confirm i'm also now unable to launch MW3 since the steam executable update 😞 their file is about 15gb for me as opposed to 6mb ? hopefully the mods make a workaround

    1 Reply Last reply
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    • ohfrankyboy ohfrankyboy

      DirkRockface no, here is the path, i didn't select the black ops folder but the Modern Warfare 3 folder Screenshot 2026-09-03 215735.png

      el_chapo710 Offline
      el_chapo710 Offline
      el_chapo710
      wrote last edited by
      #11

      ohfrankyboy i am also having the same issue as well, whenever i go to the MW3 folder not in the plutonium client it shows a bunch of stuff like the exe and all that. but when i go to locate the directory it shows just the two folders that you have in the screenshot and then fails to launch.

      DirkRockface 1 Reply Last reply
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      • Toothless69 Offline
        Toothless69 Offline
        Toothless69
        wrote last edited by
        #12

        Same issue here. so no fix as of now?

        1 Reply Last reply
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        • el_chapo710 el_chapo710

          ohfrankyboy i am also having the same issue as well, whenever i go to the MW3 folder not in the plutonium client it shows a bunch of stuff like the exe and all that. but when i go to locate the directory it shows just the two folders that you have in the screenshot and then fails to launch.

          DirkRockface Offline
          DirkRockface Offline
          DirkRockface
          Contributor
          wrote last edited by
          #13

          el_chapo710 that folder selection window only shows folders, that's why you don't see the extra files in that view (they are there, they are just hidden to help you find the folder)

          Your issue is that MW3 got an update and it is not compatible with plutonium. so your game files probably auto updated and now you can't play. I think there are a few ways to downgrade (posted in the plutonium discord).

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          • ohfrankyboy ohfrankyboy

            DirkRockface no, here is the path, i didn't select the black ops folder but the Modern Warfare 3 folder Screenshot 2026-09-03 215735.png

            DirkRockface Offline
            DirkRockface Offline
            DirkRockface
            Contributor
            wrote last edited by
            #14

            ohfrankyboy well, as you can see in the picture you posted:

            aeac79e0-6ebd-4d67-a3bc-bc97b2eb0fa9-image.jpeg

            plutonium is LOOKING in the Call of Duty Black Ops folder... so i don't know what to tell you!

            BUT if your game was auto updated, then the new version won't work with plutonium and you'll need to get the old version.

            ohfrankyboy 1 Reply Last reply
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            • CyberNyran Offline
              CyberNyran Offline
              CyberNyran
              wrote last edited by
              #15

              There was a call Of Duty Modern Warfare 3 giant update and it deleted a bunch of important files or changed the .exe and other files I need for the Plutonium mod to work, thankfully I can still play MW2, WAW and BO2 (But I had to update the entire IW4X using the IW4X launcher and that overwrote files but MW3, isnt working.
              Error files and file problems 'AIL_set_redist_directory@4 from module 'mss32.dll'

              Possibly that mss32.dll needs updating perhaps.

              1 Reply Last reply
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              • DirkRockface DirkRockface

                ohfrankyboy well, as you can see in the picture you posted:

                aeac79e0-6ebd-4d67-a3bc-bc97b2eb0fa9-image.jpeg

                plutonium is LOOKING in the Call of Duty Black Ops folder... so i don't know what to tell you!

                BUT if your game was auto updated, then the new version won't work with plutonium and you'll need to get the old version.

                ohfrankyboy Offline
                ohfrankyboy Offline
                ohfrankyboy
                wrote last edited by
                #16

                DirkRockface yeah I had to downgrade the game version and now it works

                DirkRockface Salivaboi ParkerApplejax 3 Replies Last reply
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                • ohfrankyboy ohfrankyboy

                  DirkRockface yeah I had to downgrade the game version and now it works

                  DirkRockface Offline
                  DirkRockface Offline
                  DirkRockface
                  Contributor
                  wrote last edited by
                  #17

                  ohfrankyboy well, that and select the correct folder 😉

                  glad to hear the downgrade worked for you!!! 👍

                  1 Reply Last reply
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                  • Toothless69 Offline
                    Toothless69 Offline
                    Toothless69
                    wrote last edited by
                    #18

                    will the plutonium devs fix this?

                    1 Reply Last reply
                    1
                    • ZomStalgia Offline
                      ZomStalgia Offline
                      ZomStalgia
                      wrote last edited by
                      #19

                      hopefully this gets fixed soon, i enjoy playing iw5 on plutonium, but its not so amazing that i'll go thru the trouble of downgrading.

                      1 Reply Last reply
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                      • ArmorWerewolf Offline
                        ArmorWerewolf Offline
                        ArmorWerewolf
                        wrote last edited by
                        #20

                        Talk about timing, i just downloaded this program because i missed MW2 RSE bots and such and now im trying to play this... and i see that only a couple of hours ago they updated this stuff and now its broken...

                        1 Reply Last reply
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                        • ohfrankyboy ohfrankyboy

                          DirkRockface yeah I had to downgrade the game version and now it works

                          Salivaboi Offline
                          Salivaboi Offline
                          Salivaboi
                          wrote last edited by
                          #21

                          ohfrankyboy howd you downgrade?

                          1 Reply Last reply
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                          • ohfrankyboy ohfrankyboy

                            DirkRockface yeah I had to downgrade the game version and now it works

                            ParkerApplejax Offline
                            ParkerApplejax Offline
                            ParkerApplejax
                            wrote last edited by
                            #22

                            ohfrankyboy seriously how did you downgrade.. its not working for me

                            1 Reply Last reply
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                            • Xerxes Offline
                              Xerxes Offline
                              Xerxes
                              Plutonium Staff
                              wrote last edited by
                              #23

                              Stolen from a unfinished guide written by INeedGames

                              You will have to copy paste the url into either you browser or press win+r and paste in there

                              Open the Steam Console, you can click this to open it: steam://open/console

                              Now to download the older 32bit IW5 game files, you can do the following commands:

                              download_depot 42680 42682 6067691797475126381
                              download_depot 42680 42683 6381783964590594065

                              this will download the English IW5 32bit content

                              2959188e-8e2e-4d36-8bc4-9c3e6b8569e0-image.jpeg Image
                              1d27c290-2923-48b9-90d2-430e8c07f79e-image.jpeg Image
                              Downloaded files will be in <YOUR STEAM FOLDER>\steamapps\content\app_*\ folder (as indicated in the console output)

                              d3b71da0-6c23-40a9-b146-06fc31e49a73-image.jpeg
                              65b98b22-73ee-4858-90a0-89024c533a24-image.jpeg
                              ad729346-1404-4dd0-bc54-d3c569236254-image.jpeg
                              b8bd0e6e-59b9-4fde-beb3-f28295072816-image.jpeg
                              You will have to merge the depot folders all into a single folder,

                              Here I will choose to merge everything into the depot_42682 folder,
                              which means I will be cutting and pasting the files inside of the depot_42683 folder into the depot_42682 folder.

                              First highlight all the files in the folder, right click them and select Cut.

                              b1280135-dfd7-4729-82c3-0f28b48780f3-image.jpeg

                              Then go into the folder you want to merge everything into (in my case its depot_42682 as stated before), right click and select Paste

                              de723f12-e5b9-4ef1-a44d-e91a3466eef9-image.jpeg

                              You will likely be prompted to merge folders, confirm with Yes

                              e29785b6-2605-4e36-b31f-6cc061526e01-image.jpeg

                              Repeat this process for all depots you have downloaded
                              Once all depot folders have been merged into one, you will have complete game files ready to be used with Plutonium

                              ba3f8c99-e515-4e47-afd7-9c7709cc352e-image.jpeg

                              You can choose to move and rename the merged folder (my case its depot_42682), here I will move it to my Desktop folder and rename it to MW3
                              eedd61c8-0ed0-4fb6-8ad3-e5f73d8eb775-image.jpeg
                              Just to confirm, inside of my MW3 folder, I will find all the of game files
                              62c4459d-85be-4e2a-ac01-f36c33aafe0d-image.jpeg

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                              • Dreadful Offline
                                Dreadful Offline
                                Dreadful
                                wrote last edited by
                                #24
                                This post is deleted!
                                1 Reply Last reply
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                                • ArmorWerewolf Offline
                                  ArmorWerewolf Offline
                                  ArmorWerewolf
                                  wrote last edited by
                                  #25

                                  Im still having this issue with Com_ERROR: LinkFile: function "streakselectuptracker" in file "maps/mp/killstreaks/_killstreaks.gsc" referenced unknownfunction isjuggernautweapon (8BA9) from script ult.gsc
                                  so im lost, this doesnt work or the modern update

                                  1 Reply Last reply
                                  0
                                  • Brani615 Offline
                                    Brani615 Offline
                                    Brani615
                                    wrote last edited by
                                    #26

                                    also here.I dont even have other call of duty ,cant play anymore .error with selected folder appear-how to fix ?

                                    1 Reply Last reply
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                                    • sashagreyfan69 Offline
                                      sashagreyfan69 Offline
                                      sashagreyfan69
                                      wrote last edited by sashagreyfan69
                                      #27

                                      20260907101600_1.jpg

                                      Update: i downgrade via steam and got the game running again but all my classes and settings are fucked up back to default again and there isn't that many people playing anymore and private match doesnt work anymore

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