The consensus from Microsoft and developer communities is that you should migrate away from OWC11. Relying on it is a long-term maintenance and security risk.
If you encounter issues while downloading or installing the Microsoft Office Web Components 11.0 library, here are some troubleshooting tips: microsoft office web components 110 library download work
To install the OWC 11.0 library, you must obtain the standalone installer, typically named . The consensus from Microsoft and developer communities is
Right-click the owc11.exe installer and select Run as Administrator . you must obtain the standalone installer