Hi MOF Syntex Error,
Would you please show us the detailed message in %programfiles%\Microsoft SQL Server\120\Setup Bootstrap\Log\Summary.txt?
As a workaround, would you please try to install ssms17.9.1. The download link:
https://docs.microsoft.com/en-us/sql/ssms/release-notes-ssms?view=sql-server-2017#download-ssms-1791
Hope this could help you .
Best regards,
Dedmon Dai
MSDN Community Support
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