Create threat-modeling-tool-releases-73211082.md

Author: mgchaitanyababu

articles/security/develop/threat-modeling-tool-releases-73211082.md

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+---
+title: Microsoft Threat Modeling Tool release 11/08/2022 - Azure
+description: Documenting the release notes for the threat modeling tool release 7.3.21108.2.
+author: chmg
+ms.author: chmg
+ms.service: security
+ms.topic: article
+ms.date: 11/08/2022
+---
+
+# Threat Modeling Tool update release 7.3.21108.2 - 11/08/2022
+
+Version 7.3.21108.2 of the Microsoft Threat Modeling Tool (TMT) was released on November 8 2022 and contains the following changes:
+
+- Bug fixes
+
+## Known issues
+
+### Errors related to TMT7.application file deserialization
+
+#### Issue
+
+Some customers have reported receiving the following error message when downloading the Threat Modeling Tool:
+
+```
+The threat model file '$PATH\TMT7.application' could not be deserialized. File is not an actual threat model or the threat model may be corrupted.
+```
+
+This error occurs because some browsers do not natively support ClickOnce installation. In those cases the ClickOnce application file is downloaded to the user's hard drive.
+
+#### Workaround
+
+This error will continue to appear if the Threat Modeling Tool is launched by double-clicking on the TMT7.application file. However, after bypassing the error the tool will function normally. Rather than launching the Threat Modeling Tool by double-clicking the TMT7.application file, users should utilize shortcuts created in the Windows Menu during the installation to start the Threat Modeling Tool.
+
+## System requirements
+
+- Supported Operating Systems
+  - [Microsoft Windows 10 Anniversary Update](https://blogs.windows.com/windowsexperience/2016/08/02/how-to-get-the-windows-10-anniversary-update/#HTkoK5Zdv0g2F2Zq.97) or later
+- .NET Version Required
+  - [.NET 4.7.1](https://go.microsoft.com/fwlink/?LinkId=863262) or later
+- Additional Requirements
+  - An Internet connection is required to receive updates to the tool as well as templates.
+
+## Documentation and feedback
+
+- Documentation for the Threat Modeling Tool is located on [docs.microsoft.com](./threat-modeling-tool.md), and includes information [about using the tool](./threat-modeling-tool-getting-started.md).
+
+## Next steps
+
+Download the latest version of the [Microsoft Threat Modeling Tool](https://aka.ms/threatmodelingtool).