#36 Excel "Run Time error '1004': Unable to set the installed property of the AddIn class"

Posted in ‘Ian's Excel Add-in’
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Latest post by on Monday, 21 July 2025 03:00 SAST

StephanW
Good day, could you please assist with this Excel error? It started after installation and  it appears every time I run Excel.
Thank you and regards, Stephan

Ian

Hi Stephan,

Thank you for highlighting this.

Based on your post, am I correct in understanding that this occurs directly upon launching Excel, without interacting with Ian's Excel Add-in menu at all? Or does this only happen when you select an option from the add-in?

Kind regards,
Ian

Ian

Hi Stephan,

I have squashed a few bugs in the updated version v1.7.2.2.

Please download this version to see if the issue persists.

Thank you,
Ian

System Task
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