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rhino:error1603installfails [2015/11/12]
rhino:error1603installfails [2020/08/14] (current)
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 +====== Install Error 1612: "The older version of Rhinoceros 5 Language Pack Installer (en-US) cannot be removed." ======
 +Or "Installation failed; exit code 1603"
  
 +> **Summary:** //How to fix the System Error 1612 or 1603.//
 +> **Related installation help:** //[[installproblems|Troubleshooting Rhino 5 Installation]]//
 +
 +=====Problem=====
 +Rhino, Language Pack, or Help Media failed to install. The installer package may be corrupt or incomplete due to:
 +  * a virus detector left running
 +  * computer crashed
 +  * some other malware or program prevents the install
 +Also, reinstall or uninstall from Windows **Programs and Features** does not help.
 +
 +=====Possible solution=====
 +  - Run this Microsoft Utility to: //[[https://support.microsoft.com/en-us/mats/program_install_and_uninstall|Fix problems that programs cannot be installed or uninstalled]]//.
 +  - Use the utility to remove your problem Rhino installer that is giving you the error with the utility. For example, with //Rhinoceros 5 Language Pack Installer (en-US)//. You can run the utility in manual or automatic mode.
 +  - When you have removed the problem installer with the MS Utility, proceed to Install Rhino, Help, or Language Pack. 
 +  - Open Rhino and run **ToolbarReset**. Close Rhino.
 +  - Reopen and test.
 +
 +**Still not working?**
 +That's frustrating -- we're sorry!
 +Please email any log files to tech@mcneel.com
 +    - Write down any error numbers and messages you see. Include Install Log and screen captures of errors.
 +    - Email all this, the step you are on in this article, and your contact information to [[tech@mcneel.com|Tech Support.]] 
 +
 +{{tag>rhinoinstallationerror}}
 +{{tag>rhino5installationerror_en}}