We have released a new plug in solution to work around this issue. Please uninstall the current plug in application, and if you have it, the CADLearning Windows Desktop application. Then install our new solution found here.
UPDATE from the Autodesk Knowledge Network Site:
Autodesk® AutoCAD® 2017 Exchange App Autoloader Hotfix
This Hotfix addresses a problem with Exchange Apps that target the AutoCAD 2017-based products.
Description of Problem: Exchange Apps may not display on the Add In tab after installing the AutoCAD 2017 Service Pack 1 if settings are reset. Commands for Exchange Apps may no longer work. Newly installed Exchange Apps might not load.
The following products are affected after installing the Service Pack 1 for AutoCAD 2017-based products:
- AutoCAD 2017
- AutoCAD Map 3D 2017
- AutoCAD Civil 3D 2017
- AutoCAD Mechanical 2017
- AutoCAD Electrical 2017
- AutoCAD Architecture 2017
- AutoCAD MEP 2017
- AutoCAD P&ID 2017
- AutoCAD Plant 3D 2017
- AutoCAD Utility Design 2017
If the solution provided by Autodesk does not resolve the issue, this is the alternative fix to try:
If you have installed the plug in application and it does not load when you launch AutoCAD, you may need to try this fix:
Locate this file:
Within the XML file, there is a call to load a DLL file.
Modify that line in the XML file to read like this:
Be sure to follow the instructions here to install and run the application: