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dll error when starting Qt Creator 4.8.2

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  • G gabor53

    Hi,
    Every time I start Qt Creator I get the following warning message:
    Capture.PNG

    I reinstalled Qt Creator 3 times with or without antivirus running and keep getting the message above. How can I fix it?
    Thank you for your help.

    jsulmJ Offline
    jsulmJ Offline
    jsulm
    Lifetime Qt Champion
    wrote on last edited by
    #6

    @gabor53 You should install the current version (4.10.x)

    https://forum.qt.io/topic/113070/qt-code-of-conduct

    G 1 Reply Last reply
    2
    • jsulmJ jsulm

      @gabor53 You should install the current version (4.10.x)

      G Offline
      G Offline
      gabor53
      wrote on last edited by
      #7

      @jsulm
      I solved the problem by installing Python and copying python36.dll into the folder.

      H 1 Reply Last reply
      2
      • G gabor53

        @jsulm
        I solved the problem by installing Python and copying python36.dll into the folder.

        H Offline
        H Offline
        helicron
        wrote on last edited by
        #8

        @gabor53 Which folder?

        F 1 Reply Last reply
        0
        • H helicron

          @gabor53 Which folder?

          F Offline
          F Offline
          Fusion
          wrote on last edited by Fusion
          #9

          @helicron I downloaded Python 3.6.8 and moved the python36.dll to my QtCreator/bin folder (C:\Qt\Tools\QtCreator\bin for me). Now it doesn't show the error anymore.

          1 Reply Last reply
          1
          • R Offline
            R Offline
            rocks
            wrote on last edited by
            #10

            It seems like the error is misleading. I got the same error and fixed it by removing LLVM.!

            1 Reply Last reply
            0
            • C Offline
              C Offline
              carcass
              wrote on last edited by
              #11

              that error is related to LLVM. It pops up when QtCreator tries to load lldb (the LLVM debugger) that crashes because of the missing dll. You can verify by opening a command prompt and typing lldb.
              I don' know why someone decided it was a good idea to package llvm without a required dll but here's how i fixed the error:

              • dowload a python 3.6 prebuilt package like https://www.python.org/ftp/python/3.6.4/python-3.6.4-embed-amd64.zip
              • copy python36.dll to the lldb.exe folder (where lldb in a command prompt, mine is installed in C:\Program Files\LLVM\bin)
              aha_1980A R E S 4 Replies Last reply
              10
              • C carcass

                that error is related to LLVM. It pops up when QtCreator tries to load lldb (the LLVM debugger) that crashes because of the missing dll. You can verify by opening a command prompt and typing lldb.
                I don' know why someone decided it was a good idea to package llvm without a required dll but here's how i fixed the error:

                • dowload a python 3.6 prebuilt package like https://www.python.org/ftp/python/3.6.4/python-3.6.4-embed-amd64.zip
                • copy python36.dll to the lldb.exe folder (where lldb in a command prompt, mine is installed in C:\Program Files\LLVM\bin)
                aha_1980A Offline
                aha_1980A Offline
                aha_1980
                Lifetime Qt Champion
                wrote on last edited by
                #12

                Hi @carcass,

                as stated in QTCREATORBUG-23848, it's a LLVM packaging problem, which is tracked on https://bugs.llvm.org/show_bug.cgi?id=44087

                Unfortunately, not much progress seems to happen there.

                Regards

                Qt has to stay free or it will die.

                1 Reply Last reply
                0
                • C carcass

                  that error is related to LLVM. It pops up when QtCreator tries to load lldb (the LLVM debugger) that crashes because of the missing dll. You can verify by opening a command prompt and typing lldb.
                  I don' know why someone decided it was a good idea to package llvm without a required dll but here's how i fixed the error:

                  • dowload a python 3.6 prebuilt package like https://www.python.org/ftp/python/3.6.4/python-3.6.4-embed-amd64.zip
                  • copy python36.dll to the lldb.exe folder (where lldb in a command prompt, mine is installed in C:\Program Files\LLVM\bin)
                  R Offline
                  R Offline
                  ruslan.ne4iporenko
                  wrote on last edited by
                  #13

                  @carcass
                  Thank you very much

                  1 Reply Last reply
                  0
                  • C carcass

                    that error is related to LLVM. It pops up when QtCreator tries to load lldb (the LLVM debugger) that crashes because of the missing dll. You can verify by opening a command prompt and typing lldb.
                    I don' know why someone decided it was a good idea to package llvm without a required dll but here's how i fixed the error:

                    • dowload a python 3.6 prebuilt package like https://www.python.org/ftp/python/3.6.4/python-3.6.4-embed-amd64.zip
                    • copy python36.dll to the lldb.exe folder (where lldb in a command prompt, mine is installed in C:\Program Files\LLVM\bin)
                    E Offline
                    E Offline
                    ecb_
                    wrote on last edited by
                    #14

                    @carcass Thank you very much!

                    1 Reply Last reply
                    0
                    • C carcass

                      that error is related to LLVM. It pops up when QtCreator tries to load lldb (the LLVM debugger) that crashes because of the missing dll. You can verify by opening a command prompt and typing lldb.
                      I don' know why someone decided it was a good idea to package llvm without a required dll but here's how i fixed the error:

                      • dowload a python 3.6 prebuilt package like https://www.python.org/ftp/python/3.6.4/python-3.6.4-embed-amd64.zip
                      • copy python36.dll to the lldb.exe folder (where lldb in a command prompt, mine is installed in C:\Program Files\LLVM\bin)
                      S Offline
                      S Offline
                      shyney7
                      wrote on last edited by
                      #15

                      @carcass
                      thank you this solved it for me!

                      1 Reply Last reply
                      0

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