"Revit cannot run the external application Autodesk Issues Addin for Revit 2025" message when launching Revit 2025

Autodesk Support

Apr 3, 2025

Products and versions covered

Issue:

When launching Revit 2025, the following message shows up:

 

External Tools - External Tool Failure

Revit cannot run the external application "Autodesk Issues Addin for Revit 2025". 
Contact the provider for assistance. Information they provided to Revit about their identity:

 

Revit cannot run the external application

Causes:

  • Third-party software is not up to date.
  • There is a conflict with the IFC Add-in.

Solution:

Obsolete version of "Issues Addin"

  1. Uninstall the current "Issues Addin for Revit 202x".
  2. Download the latest version from your Autodesk Account. 
  3. Install it.

Third-Party Software Conflict 

Sometimes third-party add-ons can conflict with Revit or other add-ons. To check this, disable third-party add-ons and see if the error goes away: How to disable add-ons for Revit

 

IFC Add-in Conflict

If the issue persists, follow these steps to resolve the IFC Add-in conflict:

  1. Close all Revit.
  2. Open the Windows Control Panel and navigate to Programs and Features.
  3. Search for IFC Add-in for Revit 2025.
  4. Uninstall the add-on.
  5. Download and install the latest version from your Autodesk Account.

Products:

Revit Product Family; Revit Cloud Worksharing;

Versions:

2025;

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