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Run-time Error `339`: MSCOMCTL.OCX is Missing

Article ID: 175
Last updated: 14 Oct, 2010

Symptom:  We have received a couple of calls about this error. If you install EMU or another of our applications on a Windows XP or Windows 2000 system, you might experience the following error: "Run-time error `339`; Component `MSCOMCT2.OCX or one of its dependencies not correctly registered: a file is missing or invalid." This error is indicating that your workstation installation is missing this file.

Resolution:  You can obtain the file from to resolve this problem. Extract the contents to your %WINDIR%\SYSTEM32 folder (where %WINDIR% is the installation directory for Windows). Run the following command at a command prompt:

The correct syntax is:


where %WINDIR% indicates path to windows directory. The typical command to type would be:


Article ID: 175
Last updated: 14 Oct, 2010
Revision: 1
Views: 15894
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