If the software opens without the error, the issue is permission-related. Right-click the shortcut and select Properties . Go to the Compatibility tab. Check the box for Run this program as an administrator . Click Apply and OK . 2. Fix Microsoft Visual C++ Redistributable Prerequisites
Always ensure your desktop shortcut for SolidWorks 2012 is configured to run with administrative privileges ( Right-click > Properties > Compatibility > Run this program as an administrator ).
Are you using a or a network (SNL) license? error cannot initialize library solidworks 2012
If using specialized activation methods for legacy systems, ensure the activation tool matches your OS architecture (64-bit vs 32-bit) and the specific Service Pack (SP) of SOLIDWORKS 2012 you have installed.
If this computer is dedicated to SolidWorks 2012, avoid installing modern 64-bit versions of Microsoft Office 365, which completely overwrite the legacy database engines SolidWorks 2012 requires. If the software opens without the error, the
The application relies on specific versions of the Microsoft Visual C++ runtime libraries (specifically the 2005, 2008, and 2010 packages) to initialize its core C++ libraries.
Launch SolidWorks 2012. It will create a fresh registry key and folder using default settings. If the error is gone, it was a corrupt setting file. (You can migrate your macros and sheet formats from the "_Old" folders later). Check the box for Run this program as an administrator
Solidworks Error Cannot Initialize Library D D - Google Groups
With this information, I can offer more tailored troubleshooting steps.