Hi @Ogunjobi feranmi ,
Welcome to Microsoft Q&A!
Please backup and delete the following folder from your package cache:
C:\ProgramData\Package Cache\(9D6CE289-E12C-38BB-9999-E2377EC 118B71)v 16.0.28807\packages\vsta_hostingcore-amd64
Then, retry the SSMS installation.
Sincerely,
Anna
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