You can try the following steps, which might resolve the issue.

• Run cmd as Administrator and do the following four steps
  1. Make sure the folder goes to installation folder (Default is C) by typing in C:
  2. Point the folder to CADdoctor Tool by typing in cd C:\Moldex3D\2024\CADdoctor\e3ds\SmartLauncher\tools
  3. Type in set ELY_RUBIES_BASE=%ProgramData%\CoreTechSystem\Ruby
  4. Type in bundle-install.bat

• If the cmd returns the following information indicating the installation failed, you can try the following steps to see if they resolve the issue.
  

  

  1. C:/ProgramData/CoreTechSystem/Ruby/2.7.6/rubies/ruby-2.7.6/lib/ruby/2.7.0/win32/registry.rb
     By editing line 72 of the above file as follows, it may be possible to avoid the issue.
  2. —–
     Before) LOCALE = Encoding.find(Encoding.locale_charmap)
     After) LOCALE = Encoding::UTF_8
     —–
  3.  

     and run bundle-install.bat (with admin rights again)