Home » Kerio User Forums » Kerio Connect » Error 28101 while upgrading KOC to 9.1.1

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Using Outlook 2016 (Windows 10 Pro)

See for error attachment.

When I try to uninstall KOC 9.1 manually I will not succeeded!

Any suggestions are welcome.


  • Attachment: Naamloos.png
    (Size: 6.96KB, Downloaded 138 times)

[Updated on: Fri, 19 August 2016 09:27]

Kerio Connect 9.2.5p3 on Windows Server 2012 R2 (dutch)
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