October 2019 servicing stack update (SSU) error "You need to provide Administrator permission" [KB4521864]

[D.I.V.]

Similar to the problems described regarding the July SSU (KB4504418) and the September SSU (KB4512938), there are some 'bugs' regarding installation of the October SSU (KB4521864):
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2019-10 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4521864)

Download size: 10.4 MB

Update type: Important

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer.

https://support.microsoft.com/help/4521864
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1. Wrong notification sequence. The information provided about the October SSU states: "We strongly recommend you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU)." However, the Windows Update client did not advise that this update was even available until after installation of three other regular updates that had been recommended for installation (KB890830, KB4524104, and KB4520005).
2. Installation error. Even as a user with an Administrator account, I am unable to install this October SSU from the Windows Update client. The error is identical to that found with the July SSU and the September SSU:

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Windows Update​

! You need to provide administrator permission

To complete this task, you need to sign in with an administrator account or ask an administrator to complete the task for you.

[Close]​

~~~~~


—DIV

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