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  1. Minecraft Launcher
  2. MCL-17485

Launcher files can occasionally become corrupt, causing unexpected behavior

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Details

    • Bug
    • Status: Open
    • Resolution: Unresolved
    • 2.2.2311 (Windows), 2.2.2529 (Windows), 2.2.2806 (Windows), 2.2.3125 (Windows), 2.2.3201 (Windows), 2.2.3555 (Windows), 2.2.3965 (Windows), 2.2.5519 (Windows), 2.2.7264 (NEW Windows App)
    • None
    • None
    • None
    • Windows 10 Home 20H2 64-bit
    • Confirmed

    Description

      Certain files being corrupt or missing can cause the launcher to behave unexpectedly.
      Files becoming corrupt seems to be relatively new.

      Windows
      Confirmed:

      1. 'game/cef.pak' and 'game/icudtl.dat' : Launcher fails to start, sometimes leaving a process running in the background
      2. 'game/v8_context_snapshot.bin' : Launcher is blank and window title is missing

      Observed through testing, not yet confirmed:

      1. 'game/chrome_elf.dll' and 'game/launcher.dll' : Dialogs can appear:
        "Couldn't load launcher core from '<launcher installation dir>\game\launcher.dll': LoadErrorNotPresent"
        "Unable to start the Minecraft Runtime Environment. This is most likely caused by a corruption. Please try to reinstall Minecraft."
        See also: MCL-11754

      Workaround
      Deleting the game folder in the launcher directory (Usually C:\Program Files (x86)\Minecraft Launcher) and having the launcher redownload the corrupt and/or missing files fixes the issue. Deleting the 'game/.version' file should work too. In the case there is a prompt saying a file is already in use, restart the device then retry the workaround.

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              Unassigned Unassigned
              NinjaDotMC innj
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              Dates

                Created:
                Updated:
                CHK: