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wasm package not copied

By @pakowsky
    2026-07-05 00:08:28.162Z

    I tried to start a mission with the hpg 145 and I keep getting this error, I tried reinstalling, restarting, read only option is on blue but it doesn't deactivate, it just turn on again by itself, I have no clue what else I can try

    Solved in post #2, click to view
    • 4 replies
    1. Go to %appdata%\Microsoft Flight Simulator 2024\WASM\MSFS2024, right click the 'miltechsimulations-missionhub' folder and select Properties.
      In the popup window, make sure 'Read-only' is unchecked. Click apply. If there is another pop-up, select 'Apply changes to this folder, subfolders, and files'.

      Then restart your PC, and relaunch MSFS. Should work!

      ReplySolution
      1. P@pakowsky
          2026-07-05 11:16:36.101Z

          Maybe windows is blocking it?, it always appears as read only, no matter how I try to uncheck it I 'll keep trying that method, thanks

          1. K@KFliegt
              2026-07-06 05:49:00.696Z

              I also cannot unselect read-only.

              1. Miltech Simulations @MiltechSimulations
                  2026-07-06 17:39:26.507Z2026-07-06 17:49:36.458Z

                  Do you have full administrator rights to your PC? It may be Windows blocking the action due to insufficient permissions.

                  You may need to take ownership of the folder, then disable Read-only: https://www.youtube.com/watch?v=YWgDDip5Bqo

                  This is unfortunately Windows blocking access to the folder, so Mission Hub is unable to function correctly as it cannot write files.

            • Progress
              with handling this problem
            • @MiltechSimulations accepted an answer 2026-07-05 02:50:14.345Z.