.NET Framework 4.7 On Windows 7 Causing SOLIDWORKS To Crash

This article addresses a problem with the .NET Framework 4.7 for Windows 7 that is causing consistent crashes within SOLIDWORKS.

Users on Windows 7 machines that are experiencing sudden, consistent crashes in SOLIDWORKS should be aware of the update KB3186497 that has been installed with recent Windows Updates. This issue is specific to the Windows 7 operating system and has only been confirmed to affect the SOLIDWORKS application. SOLIDWORKS has identified this issue with the following Software Performance Report:

     SPR 1032308: Windows 7 Update KB3186497 for Offline Installer .NET 4.7 is causing crashes

If a user finds that the above situation applies, it is advised that the user uninstalls Microsoft .NET Framework 4.7 from the Control Panel and re-installs a previous version, such as .NET Framework 4.6.2 (compatible with Windows 7 SP1).

Uninstalling .NET 4.7 and Installing .NET 4.6.2

**It is advised that the user create a restore point prior to proceeding with the repair (See the section on creating a restore point here)**

  1. Press the Windows Start Menu button and type "Programs and Features"
  2. Locate Microsoft .NET Framework 4.7 in the list, right-click on it, and select "Uninstall"
  3. Visit the Microsoft website to download the offline installer for Microsoft .NET Framework 4.6.2
  4. Run the .NET Framework 4.6.2 installer as administrator (SHIFT + Right Click > Run as Administrator)
  5. Retest the crashing issue. If the problem persists, please contact Technical Support


Thank You,

HRS Support

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