Force Use of Previous WebView2 Version for Revit

Jeremy Smith

Issue:

Revit users (2025 and older) experiencing crashing or add-in issues with the latest update of WebView2 installed.

Cause(s):

The WebView2 update from March 2026 introduced a conflict between CEF (Chromium Embedded Framework) used by Revit and WebView2 potentially used by Revit add-ons.

Solution:

Follow the steps below to force the use of an older version of WebView2 in Revit:

Download WebView2 runtime v145 from this link
Extract the runtime content to any accessible folder. (For example: "C:\Autodesk\webview2.runtime.x64.145")
Open the Registry editor and find: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge\
If it does not exist, create Keys "WebView2" and then "BrowserExecutableFolder"
In the "BrowserExecutableFolder" create a String Value "Revit.exe"
Fill the Value data with the path to the downloaded and extracted WebView2 v145 location.

About the Author

Sr. Technical Support Specialist, AEC<br><br>Jeremy has been delivering service and technical support to customers in the AEC industry for over 25 years. He gained much of his AutoCAD/Revit experience serving as CAD Manager at multiple MEP/FP engineering firms in the Greater Boston Area. He then worked at Autodesk as a Technical Support Specialist, eventually becoming a manager overseeing the Revit and Vault support teams. Jeremy is excited to be in his current role as Sr. Technical Support Specialist at IMAGINiT, as it allows him the opportunity to work directly with customers every day and help them successfully leverage Autodesk’s solutions to achieve their business goals.
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