COM Interop registration failure

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  • SteveS
    #1

    COM Interop registration failure

    Recently I changed computers and had to reinstall Visual Studio. After this,
    a solution that used to compile and produce a COM callable DLL now produces
    the error message: "COM Interop registration failed. Could not find type
    library for assembly 'Microsoft.Visu alBasic' "

    I haven't found any MSDN or KB articles that address this problem directly.
    What do I need to do to fix this?
    Tags: None
    • Ken Tucker [MVP]
      #2
      Re: COM Interop registration failure

      Hi,

      Try reinstalling the dot net framework

      Ken
      ------------------
      "SteveS" <SteveS@nospam. nospam> wrote in message
      news:08945D08-CC28-48C2-85E4-ED6288E55695@mi crosoft.com...
      Recently I changed computers and had to reinstall Visual Studio. After
      this,
      a solution that used to compile and produce a COM callable DLL now produces
      the error message: "COM Interop registration failed. Could not find type
      library for assembly 'Microsoft.Visu alBasic' "

      I haven't found any MSDN or KB articles that address this problem directly.
      What do I need to do to fix this?


        Comment

        • SteveS
          #3
          Re: COM Interop registration failure

          Unfortunately, the result is the same.

          "Ken Tucker [MVP]" wrote:
          [color=blue]
          > Hi,
          >
          > Try reinstalling the dot net framework
          >
          > Ken
          > ------------------
          > "SteveS" <SteveS@nospam. nospam> wrote in message
          > news:08945D08-CC28-48C2-85E4-ED6288E55695@mi crosoft.com...
          > Recently I changed computers and had to reinstall Visual Studio. After
          > this,
          > a solution that used to compile and produce a COM callable DLL now produces
          > the error message: "COM Interop registration failed. Could not find type
          > library for assembly 'Microsoft.Visu alBasic' "
          >
          > I haven't found any MSDN or KB articles that address this problem directly.
          > What do I need to do to fix this?
          >
          >
          >[/color]

            Comment

            • SteveS
              #4
              RE: COM Interop registration failure - SOLUTION

              The problem turned out to be that somehow Microsoft.Visua lBasic.dll had
              become unregistered.

              The solution was to run regasm from the VS.Net Command Prompt

              regasm Microsoft.Visua lBasic.dll /codebase /tlb (space before each slash)

              This fixed the problem.

              If you do a system search for Microsoft.Visua lBasic.tlb and don't find it,
              run the regasm above.

              "SteveS" wrote:
              [color=blue]
              > Recently I changed computers and had to reinstall Visual Studio. After this,
              > a solution that used to compile and produce a COM callable DLL now produces
              > the error message: "COM Interop registration failed. Could not find type
              > library for assembly 'Microsoft.Visu alBasic' "
              >
              > I haven't found any MSDN or KB articles that address this problem directly.
              > What do I need to do to fix this?[/color]

                Comment

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