Win 10, D10.2.3, TC 2018.26, Installed into D:\Steema Software\Steema TeeChart Pro VCL FMX Source Code 2018.26
Installed the latest into Rio without issue.
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Unable to install into Tokyo.
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Pls see attached picture SS2.
The files are not in the directory when it gets to the copy stage.

Pls see attached picture SS3.
The Log suggests it isn't registered. How can that be??
Pls See attached picture SS4.
Regards,
Ian