found the solution to my own question, hope it helps someone:
https://knowledge.broadcom.com/external/article/139297/error-flexeraax2aaa-windows-dll-failed-t.html
I had to define a system variable like:

run a cmd window has admin and execute:
C:\WINDOWS\system32\appwiz.cpl
uninstall starts:

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Joao Ramires
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