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How to Resolve the Error 'DSYEnvMgt failed: rc= 3221225781' When Installing SOLIDWORKS Design

The DSYEnvMgt failed rc=3221225781 error message during SOLIDWORKS Design installation is typically caused by corrupted or conflicting Microsoft Visual C++ Redistributables. Resolving the issue involves manually uninstalling existing redistributables and reinstalling the latest supported versions from Microsoft's official site. Once completed, the installation should proceed without further errors.


  1. Open Add or Remove Programs in Windows system settings.
  2. Uninstall Microsoft Visual C++ 2015-2022 Redistributable (x64).
  3. Uninstall Microsoft Visual C++ 2015-2022 Redistributable (x86).
  4. Manually download and install the latest C++ restributables (both x64 and x86) from the following site.
    1. https://learn.microsoft.com/en-US/cpp/windows/latest-supported-vc-redist
  5. Reattempt the installation of SOLIDWORKS Design.

If you are still experiencing issues, contact your Value Added Reseller's (VAR) support team. If SWYFT Solutions supports your licenses, contact support@swyftsol.com for further support.