The in SolidWorks 2012 is frustrating but rarely fatal. By methodically working through permission fixes, dependency repairs, and registry edits, you can restore your CAD environment. However, always weigh the time spent troubleshooting against the benefits of upgrading to a modern, supported version of SolidWorks.
SolidWorks initializes libraries in the Windows Temp folder. error cannot initialize library solidworks 2012
Before diving into fixes, identify which scenario applies to your installation: The in SolidWorks 2012 is frustrating but rarely fatal