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Invalid game folder

Scheduled Pinned Locked Moved MW3 Client Support
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  • ohfrankyboy Offline
    ohfrankyboy Offline
    ohfrankyboy
    wrote last edited by
    #1

    So i've been playing with BO1 and BO2 for a while and decided to get MW3 today. The game has installed in the same Steam folder as BO1 and 2 on my D drive. So I link the game path to the Modern Warfare 3 folder like I did with BO1 and BO2 but every time I start the game I get this error saying I didn't link to the right path... I've looked around with people who had a similar problem but I don't understand since my directory is correct, am I missing something? Thanks!

    Screenshot 2026-09-03 182521.png Screenshot 2026-09-03 182625.png

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    • DirkRockface Offline
      DirkRockface Offline
      DirkRockface
      Contributor
      wrote last edited by DirkRockface
      #2

      the error message tells you the issue:

      6edf8ad5-926d-42d7-a289-9332d3cea8ff-image.jpeg

      you selected the Call of Duty Black Ops folder... select the Call of Duty Modern Warfare 3 folder

      ohfrankyboy Himiko_Yuna 2 Replies Last reply
      0
      • DirkRockface DirkRockface

        the error message tells you the issue:

        6edf8ad5-926d-42d7-a289-9332d3cea8ff-image.jpeg

        you selected the Call of Duty Black Ops folder... select the Call of Duty Modern Warfare 3 folder

        ohfrankyboy Offline
        ohfrankyboy Offline
        ohfrankyboy
        wrote last edited by
        #3

        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 DirkRockface 2 Replies Last reply
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        • DirkRockface DirkRockface

          the error message tells you the issue:

          6edf8ad5-926d-42d7-a289-9332d3cea8ff-image.jpeg

          you selected the Call of Duty Black Ops folder... select the Call of Duty Modern Warfare 3 folder

          Himiko_Yuna Offline
          Himiko_Yuna Offline
          Himiko_Yuna
          wrote last edited by
          #4

          DirkRockface No. I can verify that black ops was not selected. Same error. no reason for that error.

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          • Zaxby29 Offline
            Zaxby29 Offline
            Zaxby29
            wrote last edited by
            #5

            same issue here

            ohfrankyboy 1 Reply Last reply
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            • Zaxby29 Zaxby29

              same issue here

              ohfrankyboy Offline
              ohfrankyboy Offline
              ohfrankyboy
              wrote last edited by
              #6

              Zaxby29 yeah, I just saw other people saying the 13 gb steam update broke the executable so thats why....

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              • sashagreyfan69 Offline
                sashagreyfan69 Offline
                sashagreyfan69
                wrote last edited by
                #7

                im having the same issue reinstalled/redownload the game 3 freaking times thinking it was my games files being corrupted, verify games file, deleted plut nothing after 3 hours i gave up something its wrong

                ohfrankyboy 1 Reply Last reply
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                • sashagreyfan69 sashagreyfan69

                  im having the same issue reinstalled/redownload the game 3 freaking times thinking it was my games files being corrupted, verify games file, deleted plut nothing after 3 hours i gave up something its wrong

                  ohfrankyboy Offline
                  ohfrankyboy Offline
                  ohfrankyboy
                  wrote last edited by ohfrankyboy
                  #8

                  sashagreyfan69 steam seems to have broken the executable with their update.

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                  • AztrxI Offline
                    AztrxI Offline
                    AztrxI
                    wrote last edited by
                    #9

                    Tried To fix this multiple times by reinstalling plutonium and MW3 nothing works steam is bugged.

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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).

                            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

                              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
                              0
                              • 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
                                  0
                                  • 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!!! 👍

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                                    0
                                    • Toothless69 Offline
                                      Toothless69 Offline
                                      Toothless69
                                      wrote last edited by
                                      #18

                                      will the plutonium devs fix this?

                                      1 Reply Last reply
                                      0
                                      • 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.

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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...

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