error 1603 - completely stuck on install

Hi all,

I deeply tried most posts re install error 1603 - no. go. I can't install SAGE CA 2021 on a new computer. HELP !

I get these errors:

SAGE 50 Accounting Erreur
=========================
Une errur s'est produit durant l'installation de la composante de l'ensemble
97F81AF1-0E47-DC99-A01F-C8B3B9A1E18E, HRESULT: 0x8000700C1
OK

Erreur de transfert de fonctions
================================
Erreur: -1603
OK

I have an active case:

client number: 4006529288
sage case #: 8008699041

I went thru all that many times


https://support.na.sage.com/selfservice/viewdocument.do?noCount=true&externalId=10407&sliceId=1&cmd=&ViewedDocsListHelper=com.kanisa.apps.common.BaseViewedDocsListHelperImpl&micrositeID=MS_Agent 


https://support.na.sage.com/selfservice/viewdocument.do?noCount=true&externalId=10405&sliceId=1&docLink=true&noCount=true&languageId=&isDocLink=true&currentmsID=MS_Customer&cmd=&openedFromDocument=true&ViewedDocsListHelper=com.kanisa.apps.common.BaseViewedDocsListHelperImpl

help, really stuck

Alain