DSYAdmVC11preq.exe is a legitimate prerequisite utility from Dassault Systèmes , primarily used during the installation of software like (3D design and engineering software) to ensure the required Microsoft Visual C++ 11 (2012) Runtime is correctly installed. Common Issue: "Problem with VC11 Runtime installation" Users often encounter errors stating:
"setup: Problem with VC11 Runtime installation. Try to launch 'DSYAdmVC11preq.exe -install-v' from an elevated command window" Recommended Manual Fix
If the standard installer fails, you can manually run the prerequisite check with administrative privileges: Locate the File DSYAdmVC11preq.exe within your installation media (typically in the Open Elevated Command Prompt : Right-click your Start button and select Command Prompt (Admin) Windows Terminal (Admin) Run the Command dsyadmvc11preqexe upd patched
: Drag the file into the command prompt window and append the following flag: DSYAdmVC11preq.exe -install-v Verify Result
: If this still fails, you may need to manually download and install the Visual C++ Redistributable for Visual Studio 2012 directly from the official Microsoft website. Security and Maintenance False Positives DSYAdmVC11preq
: Some antivirus programs (like Avast) may flag this file as suspicious. It is typically a false positive if the file is digitally signed by Dassault Systèmes SA Security Patches
: Ensure you are using the latest version of the installer or applying official hotfixes. In corporate environments, these updates are often managed via scripts to handle prerequisites silently before the main application install. download links VC11 = Visual C++ 2012 Redistributable (versions 11
for the Microsoft Visual C++ 2012 runtimes to bypass the installer error? FREE Legit Educational version of CATIA : r/engineering
dsyadm might be an internal admin tool – check vendor documentation for exact commands.| Location | Typical Path Example | What "patched" means here |
| :--- | :--- | :--- |
| Windows Event Log (Setup) | Event ID 1034 - Installation Success | The pre-req executable was updated, and the patched version is now active. |
| Patch Management Console | SCCM / WSUS: dsyadmvc11preqexe - Status: Patched | The system reports that this specific file has been brought into compliance. |
| Anti-Virus Quarantine Log | File: dsyadmvc11preqexe.upd.patched.bak | Antivirus patched the file by stripping a malicious overlay. |
| Application Crash Dump | Faulting module: dsyadmvc11preqexe (patched version 1.1.0.42) | The patched version still contains a memory corruption bug. |
| Microsoft Update Catalog | Search: dsyadmvc11 - Results: KB5012345 (patches preqexe) | A cumulative update explicitly addresses this executable. |
0x80070643 for Windows installer issues).Cause: The patch updated the pre-req to require a newer version of the Microsoft Visual C++ Redistributable that is missing. Fix: Install the latest VC++ runtimes (2015-2022) from Microsoft and re-run the update.