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Downloader checks if the current user supports digital signatures (SHA1/SH256) before downloading MSI. When Downloader checks HostedCooker.exe’s signature and the check fails, the installation also fails.

To read more about the Trend Micro products and Microsoft’s SHA-1 deprecation policy for code signing, refer to this article: Trend Micro products and Microsoft’s SHA-1 deprecation policy for code signing.