Open Utilities Designer Connect Edition

You can just enter this in Google and find out that it's a component of your Windows operating system: https://www.microsoft.com/en-us/download/details.aspx?id=49077

Thank you,

Yes, I see but why need it?

I guess it applies to all software on Connect Edition?

Probably because some Connect Edition components need it. Why else would the installation routine ask for it and stop working?

thank you

The following Wiki article may help to explain various Microsoft KB requirements for Bentley software installation.

https://communities.bentley.com/products/microstation/w/microstation__wiki/38230/windows-kb-requirements