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Harpoon RGB Pro (USB) old firmware (v3.11) please, v3.12 Random double click issue after new firmware update.

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There was a firmware update notification a few days ago.
I did an update. after update
Random double click problem.
Harpoon RGB Pro (USB) is currently unavailable due to this issue.
Very uncomfortable.
I want to go back to the previous firmware.
tell me how
Currently on the Corsair website
No firmware is provided.

v3.12 Random double click issue after new firmware update.


Edited by YhC
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  • Corsair Employees

I can provide you with the previous firmware revision to flash through iCUE.

Please create a ticket and PM the number to me or let me know if you'd like for me to make a ticket for you to send you the appropriate file through your registered forum email.

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  • Corsair Employees

The current steps will allow you to revert to the 3.11 firmware.  Once I get the firmware file I will link it here so reverting back to iCUE3 will not be necessary.

To currently fix the issue please follow these steps

  • Perform a clean install of iCUE as shown below in the numbered steps
  • At the last step, instead of installing the latest version of iCUE4 please install the following version found here
  • Force a firmware flash through iCUE for the mouse (should install 3.11)
  • Update back to latest iCUE 4 but do not install the firmware update
  1. Open your computer's Control Panel.
  2. Open the Programs and Features options.
  3. Select Corsair Utility Engine in the list, and then select Uninstall.
  4. Press Window Key + R to open the Run command.
  5. Type %appdata% and press Enter.
  6. Delete any Corsair folders in the window that pops up.
  7. Return to the Run window and type %localappdata%.
  8. Delete any Corsair folders in the window that pops up.
  9. Open File Explorer and navigate to C:\Program Files (x86)\ for iCUE 3, or C:\Program Files\ for iCUE 4.
  10. Delete any Corsair folders in that folder.
  11. Type Regedit in the Run window and then click OK.
  12. Go to HKEY_CURRENT_USER\Software\ and delete the Corsair folder.
  13. Go to HKEY_LOCAL_MACHINE\SOFTWARE\ and delete the Corsair folder.
  14. Restart your computer.
  15. Download a new installer file for iCUE from Corsair.com and reinstall.
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  • 3 weeks later...

I found the solution to this.  Simply update the firmware again.  It will say that your firmware is already up-to-date on 3.12.  Simply select the Force option, and click Update.  It will automatically revert the firmware to 3.11.  I did not need to uninstall, install a different version of the software, edit the registry, download firmware from the public internet, or even reboot the PC.  The fix is instant.

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I just updated my Harpoon RGB Pro to v.3.12 the other day, encountered this issue, have now wasted HOURS of my time troubleshooting it...


Why is the firmware still being pushed if it's known to have a serious issue that many users are experiencing?

I'm not doing all those steps listed above regarding iCUE. It won't help anyway. Why would it? The issue occurs even without iCUE or its services running.

I've tried the "Force Update", and all it does is reinstall the buggy v3.12 firmware again.

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I was going to edit my message to tone it down and correct my comment regarding iCUE since I misunderstood that, but I can't edit it.

All day at work I've been dealing with this double-clicking mouse. During screenshares. During meetings. Looking like an idiot in front of people. Having to explain to them what is going on.


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