Symptoms
Installation of Windows Management Framework 4.0 (which includes PowerShell 4.0) will fail with error:
Windows Update Standalone Installer
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Installer encountered an error: 0x80096002
The certificate for the signer of the message is invalid or not found. [OK]
Cause
WMF 4.0 download page includes various installer packages including:
Windows6.1-KB2819745-x64-MultiPkg.msu
Windows6.1-KB2819745-x86-MultiPkg...(read more)![]()
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