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Presenter control

If you're using macOS and the Safari browser to control your show, you may find that audio cues don't work. Here's a guide to help:

  • Ensure your machine isn't muted, and that audio cues are turned on - video guide here.
  • Send some test clicks and check for audio

If there's still no audio, it's probable that Safari is blocking sound auto-play. This block is standard Safari behaviour designed to avoid audio adverts annoying users, but needs to be removed for OctoCue.

To do this:

  • In Safari, log in to OctoCue.
  • In the top menu bar, go to 'Safari' - 'Preferences'
  • In the preferences window, select the 'Websites' tab from the top bar
  • In the side bar, select 'Auto-Play'
  • Under 'Currently Open Websites' select 'Allow All Auto-Play' for
  • Close the preferences window and re-test the audio cues

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OctoCue Receiver

We've seen this issue if you try to install OctoCue Receiver on a 32-bit version of Windows - only 64-bit Windows is supported.

For more details, see this information from Microsoft on how to check which version of Windows you're running.

Given the 4 GB RAM limit on 32-bit Windows, we wouldn't recommend running a show on a 32-bit OS.

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PowerPoint Add-in

If you're getting a message similar to the one above, you may need to:

  • Unblock the installer, or
  • Manually install the FIX8Group software signing certificate onto your machine

Unblock the installer

Manually install the FIX8Group software signing certificate

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OctoCue uses UDP messages on network port 60345 to send show data from the PowerPoint add-in to OctoCue Receiver.

If another program is using port 60345, this data may not be received correctly and notes will not be available.

To help diagnose this issue:

  • Take a look at the OctoCue Receiver logs (details & log locations here). Log entries with EADDRINUSE may indicate a port access issue.
  • Check the listening ports on your Windows installation: Open Resource monitor >> Network >> Listening Ports to see what else might be using port 60345.

If you do find other programs using port 60345, please drop us an email to so we can help future users that may have issues.

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