Word error "the application experienced an internal error loading the SSL libraries", while using webdav with HTTPS

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IIS

ASP.NET4

Office365

IIS10

, +

Dear team
we have implemented WebDav using asp.net and deployed it on IIS. Now when we try to edit any file on client machine with Word 2013/2016 then word prompts
security warning as "The application experienced an internal error loading the SSL libraries"

This happens only when we deployed site with HTTPS, if i deployed it with HTTP then no issues occur, we have also SSL certificate to webDav in IIS but still error persist

Please suggest

There are some registry level settings on client machine but i can not do it for more than 100 client mahcine

Thanks
Prasad

What I have tried:

- Disabled windows firewall
- allow all Microsoft Word level settings
- Update office
- Update my OS (Windows 10)