Revit Cannot Run External Application APL

October 12, 2023 Heather Volk

Issue:
When launching Revit in any version the following error appears:

Full details:

Of course, you must have Autodesk Point Layout installed as well.

Causes:
Conflicting and / or multiple versions of Point Layout are installed.

Solution:
The solution is simple, the latest version of Autodesk Point Layout needs to be installed. Any other versions need to be uninstalled.

The latest version of “APL” will work for versions 2020 to 2024.
**Note: Revit 2020 needs to be current on all updates**

About the Author

Sr. Technical Support Specialist, Building Solutions<br><br>Heather is responsible for responding to customer requests and helping them address technical challenges in a timely manner. She is an experienced Computer Aided Design Manager with a demonstrated history of working in the construction industry. She has strong arts and design professional skills in AutoCAD, plumbing, computer aided design (CAD), project estimation, and facility management, and a history of providing training and technical support.
More Content by Heather Volk

Where to get your Autodesk Accreditation Badges

Instructions on where to go to download your Autodesk Accreditation Badges

Fusion 360: How to create an Icon for you Desktop

In may cases you may need to create a Desktop Icon for Fusion 360. This can be a result of several possible...

Get Tips Delivered.

Subscribe to Email Updates.

Email Address

First Name

Last Name

Country

Thank you!

Error - something went wrong!

Return to Resources

Welcome to our Hub

Revit Cannot Run External Application APL

About the Author

Previous Article

Next Article

Solutions Beyond Software™

Revit Cannot Run External Application APL

About the Author

Previous Article

Next Article

Most Recent Articles

Having an apostrophe in the parent folder name can prevent AutoCAD Electrical BOM Export in Vault.

After installing Inventor Nastran, the "Autodesk Inventor Nastran" button does not appear in Autodesk Inventor under the Environment tab.

Interface built into Inventor that allows users to access commonly used company data without leaving the Inventor program.

When installing Revit you receive the error message "Autodesk Revit is already installed" despite already uninstalling Revit from your machine.

When you open a drawing in AutoCAD extensions for the first time, it will prompt you to enter basic information about the drawing, like the building and floor codes.

Use the RENAME command. Find what needs to be corrected and click on it.

Issue: layers with $ in their names. Here's what you need to know and do to fix the issue.

You will have to download the Bluebeam deployment package (MSI). This post contains all the steps you need to accomplish this.

Dashed lines are displaying as solid lines in the Revit plan view. Here's what you need to know and to to address this issue.

The drawings do not publish or appear incorrectly in the web central space console in Archibus. Here's the first part of what you need to know and do.

FormIt Pro hangs during opening the application

Solutions Beyond Software™