One of the most effective fixes for CATIA users is to remove newer versions of the Microsoft Visual C++ Redistributable that may be causing a conflict. Open the and go to Programs and Features .
If the software's built-in installer fails, try installing the VC11 runtime directly from Microsoft. Microsoft Visual C++ 2012 install failed, Result - Autodesk problem with vc11 runtime installation
Even if you think you don't need it, install the x86 version first, followed by the x64 version. This ensures compatibility for all software. One of the most effective fixes for CATIA
You searched for a solution, downloaded the file labeled vcredist_x86.exe or vcredist_x64.exe , double-clicked it expecting a 30-second fix... and instead walked into a technical brick wall. install the x86 version first