Installation of TeX live 2021 on Windows 10 fails with Perl error message in line 1340

Christoph-Erdmann Pfeiler christoph-erdmann.pfeiler at
Fri Apr 9 14:08:48 CEST 2021

Gentle reader,

the error occurs on a fully patched Windows 10 PC, version 20H2, Build
19042.906 as soon as the installation process switches to the window
"TeX Life installation program" with the message:

Installing to: C:/texlive/2021
Undefined subroutine &TeXLive::TLWinGoo::is_vista called at
line 1340, <STDIN> line 106.

Thank You so much for any hint or help!

Yours sincerely

Christoph-Erdmann Pfeiler

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