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How to enable Decryptor diagnostic logging on macOS

Modified on: 2021-02-05 09:47:53 +0000

By default, only basic information is logged by the Decryptor.  To assist in diagnosing issues, the Decryptor can be started in diagnostic logging mode.

To enable diagnostic logging:

  • Quit the Decryptor (click on the Decryptor tray icon and click Quit)
  • Open the Terminal application
  • Type /Applications/MediaSeal/DecryptorTray.app/Contents/MacOS/DecryptorTray --level trace
  • Press Enter
  • Please attempt to open a MediaSeal file to generate the log entries


The diagnostic log file location on macOS is ~/.config/MediaSeal/Storage/Decryptor.log

This can then be sent to the MediaSeal team for analysis.


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Contact MediaSeal Support if you have an issue or to answer any questions you may have. Please also review the Quick Start Guides and Product Manuals for more detailed information.

Technical Support


From 01/05/2022 technical support will only be provided to Operating Systems which are currently supported by Apple and Microsoft, or have been unsupported by Apple and Microsoft for less than 3 years. As of May 2022, this means technical support will be provided for Operating Systems newer than macOS 10.12 and Windows 7 SP1. MediaSeal will remain compatible with all existing Operating Systems, and our technical support team will endeavour to assist on all issues. However, long term support will not continue with issues on older Operating Systems should they not be resolved within a reasonable time.

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