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  1. Minecraft: Java Edition
  2. MC-179260

Unable to update the Minecraft Runtime Environment

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    • Icon: Bug Bug
    • Resolution: Invalid
    • None
    • 1.15.2
    • None
    • Unconfirmed
    • (Unassigned)

      Have downloaded and run use both latest .msi and .exe installer files today 18 April for Windows 10 x64. All 10+ attempts to install end up with the same "Unable to update the Minecraft Runtime Environment" message after a long pause.

      -The local, Administrator user account was created today and no other software has been installed.

      -No version of JRE has been, or is, installed on this laptop.

      -Have tried installing by double-click and by Run as Administrator. no difference.

      -The log file always results in "[Error: 2020-04-18 02:37:33.1836062: UpdatePistonComponent.cpp(50)] Piston update failed!"

      The log file shows that multiple Java-related files (e.g. javaws.jar, jvm.dll, npdeployJava1.dll) timed out while downloading. By using the failed download URL from the log file the files can all be manually downloaded though. Hmmmm. suspicious.

      -The other posts on this same message appear unhelpful so we've done a new one.

        1. launcher_log.txt
          92 kB
          Calum Ferguson
        2. runtime update error message.png
          9 kB
          Calum Ferguson

            Unassigned Unassigned
            schmue Calum Ferguson
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              Created:
              Updated:
              Resolved: