Windows v15 sp4 install - "disk1.cab has invalid digital signature"

Discussion in '3CX Phone System - General' started by 3CXusername, Feb 8, 2017.

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  1. 3CXusername

    3CXusername New Member

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    Windows Server 2008 R2 x64. All Windows updates applied.
    • Tried KB3004394 as well as enabling "Allow software to run or install even if the signature is invalid".
    • Tried downloading multiple 3CX sp4 installers all same outcome.

    Attempting upgrade from v14 sp3 to v15 sp4. Uninstalled v14 components and on v15 install getting this:

    upload_2017-2-8_12-25-19.png

    Any ideas?

    thanks in advance
     
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  2. Sopock

    Sopock Member

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    #2 Sopock, Feb 8, 2017
    Last edited: Feb 8, 2017
  3. Alex Esterkin

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    Chances are, you have turned OFF Automatic Root Certificate Update. For example, if you use DigiCert certificates , as I do, you may have turned it off on the Tools tab. Re-enable the Automatic Root Certificate Update policy, and you will be able to install 3CX server.
     
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