Dsyadmvc11preq.exe-install-v Updated Site

Emails claiming “Your invoice” or “Software update required” with an attachment named similarly.

If you are seeing this filename now, you are likely in one of two situations: Installing CATIA V5 on Windows 11: Dsyadmvc11preq.exe-install-v

If you are trying to install CATIA V5 or another Dassault Systèmes product and encountered the error you are likely being prompted to launch Dsyadmvc11preq.exe -install-v manually. This file is a prerequisite installer that handles the Microsoft Visual C++ 2012 (VC11) runtime environment required for CATIA to run. Dsyadmvc11preq.exe-install-v