INSTALLATION

Persistent ERROR on attempt to install.

ERROR 2503

Machine is Win10 - 64 bit.

All recent updates.

Edition Windows 10 Pro
Version 20H2
Installed on ‎7/‎20/‎2021
OS build 19042.1110
Experience Windows Feature Experience Pack 120.2212.3530.0

Any idea why this would happen ?

Can I get a previous version to try ?

Thanks,

jp