: The simplest fix is to connect the machine to the internet and run Windows Update . This automatically refreshes the Trusted Root Certification Authorities store .
Windows cannot automatically update its certificate store to verify the installer's signature. Outdated Windows Updates:
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: The installer executable is signed using trusted Certificate Authorities (CAs) like Sectigo or Entrust . If the operating system lacks these specific updated public root keys, it rejects the installer as untrusted software. Step-by-Step Resolution Strategies
If you cannot update certificates, you can attempt to bypass the certificate check using command-line installation. Note: This does not fix security; it merely suppresses the check.
