Topic: Following a Windows 10 update SuperNova displays an Error: "Magnification Engine Failed to Start. Code 7"

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Applies to: SuperNova Enterprise, SuperNova Magnifier, SuperNova Magnifier & Screen Reader, SuperNova Magnifier & Speech

NB: Please note that product names in this article may have changed since the time of writing.


After Windows 10 has updated with the April 2018 Update (1803) SuperNova may display a "Magnification Engine Failed to Start. Code 7" error message depending on the Display Adapter in your device.


There are a number of ways in which you can resolve this issue:

  1. Import the "DisableOverlays" registry key and then restart your computer, the registry key is available to download from
  2. Download and reinstall the SuperNova web demo from the Dolphin website.


The information provided in this knowledge base article has been reviewed and is believed to be accurate and is provided "as is" without any warranties expressed or implied. In no event shall Dolphin Computer Access Ltd. nor its affiliates assume any responsibility for inaccuracies, errors, incidental or consequential damages resulting from any defect or omission in this document, even if advised of the possibility of such damages.

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