[tex-live] Update problem

[Erwin Albert Karl Bruning]

Good day,

I just installed a portable version of TeX Live on a Windows 10 system.
When I wanted to update the installer produced the message below
and did not proceed. Please advise.

Regards,

Erwin Bruning


Loading local TeX Live database
  (E:/texlive/tlpkg/texlive.tlpdb)
This may take some time, please be patient ...
tlmgr.pl: Couldn't set up the necessary programs.
Installation of packages is not supported.
Please report to texlive at tug.org.
tlmgr.pl: Continuing anyway ...
... done loading.


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