To fix .net framework 3.5 installation error 0x800f0922 code, you need to follow the steps mentioned below -
1) Go to the Windows Control Panel.
2) Then choose Programs and Features.
3) Press the Turn Windows Features On or Off button.
4) The.NET Framework 3.5 checkbox should be selected then select Ok.
5) Reboot the computer when the installation is finished.
6) Kofax Express 3.2 installation could proceed.