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Fixing Error 1935. An error occurred during the installation of assembly errors.

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Sometimes when installing software, I get an error during the installation of either the .Net framework or the Visual C Runtimes. This error, Error 1934. An error occurred during the instllation of assembly … will prevent the installation from being successfull, furthurmore after many hours of searching, many of the fixes listed around the web do not work.

To succsesfully allow the software installation to complete, a registry edit must be made. So go an open up Regedit and navigate to the following key: HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Control double-click on the RegistrySizeLimit and edit the DWORD value. In Hexadecimal enter FFFFFFFF or alternatively enter 4294967295 as the decimal value.

Once the registry change is done, restart the machine and then you can start the setup again that was causing you the issues earlier.

An optional set you can do once you have restarted the machine is to open up a command prompt window and type in the following command: SFC /SCANNOW this begins a windows file integrity checker ensuring that all windows system files are genuine and have not been edited or replaced, if you are running Windows XP you will need your installation CD to complete the scan.

Just about every encounter I’ve had with this error the RegistrySizeLimit has fixed the issue.

8 responses to “Fixing Error 1935. An error occurred during the installation of assembly errors.”

  1. ayman Avatar
    ayman

    Thank you alot

    Reply
  2. error 1935 Avatar
    error 1935

    Error 1935 appears while installing .NET framework, but i fixed it after taking help from this post. I fixed the error i faced.

    Reply
  3. error-1935 Avatar
    error-1935

    by registering windows installer this error can also be fixed.

    Reply
    1. John Avatar
      John

      Not sure I understand what you mean. Windows Installer is built into the OS so there is no need to really register components (I have never come across anything recommending this).

      Reply
  4. Celestin Bakanda Avatar
    Celestin Bakanda

    I was installing SQL and this showed: an error occurred during installation of essembly ‘MicroSoft’ .server.diagnostics.STrace,Fileversion=”10.50.1600.1″,version=”10.0.0.00000″,culture=”neutral”,publickeytoken=”8984DCD8080CC91″,processorArchitecture=”MSIL”

    Reply
    1. John Avatar
      John

      Hi Celestin, see the following Microsoft KB Article which may help.

      http://support.microsoft.com/kb/2688946

      Reply
  5. jassani Avatar
    jassani

    could not find the registry value specified in the solution

    Reply
    1. John Avatar
      John

      Hi jassani, you can just create the registry entry if it doesn’t exist.

      Reply

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