Hello, i have the similar Popup try to install on DELL XPS15 / Win 10. I updatet Capture 2020 to V55, now a new Popup is shown :
" The capinet file "Produkt.cab" required for this installation is corrupt and can not be used "
Install Cature 2021 on MBP16 / Catalina run´s fine with one try.
Regards, Elli