JuniperSetupClient is a old component (32bit) provided by Juniper Networks, which is not compatible with Mac Mojave OS as it will only support 64-bit applications. Any specific reason on why you're trying to install JuniperSetupClient on a Mac 10.14? NOTE: Pulse Client 5.3R7, 9.0R2.1 and above are compatible with Mac Mojave.
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