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Why does an Installation issue: KB2958399 not installed warning appear during installation of Emsisoft Internet Security?
Posted by Orlando Pivi - Emsisoft, Last modified by Arthur Wilkinson - Emsisoft on 08 May 2015 08:47

This can be caused by the following:

1 - Your Windows version is:
Windows 7 Enterprise SP1
Windows 7 Professional SP1
Windows 7 Ultimate SP1

2 - The following Microsoft patch is not installed:
https://support.microsoft.com/kb/2958399

This Microsoft patch resolves the following issue:
"0xD1" Stop error occurs occasionally. This Stop error describes a DRIVER_IRQL_NOT_LESS_OR_EQUAL issue.

Microsoft has confirmed that this is a problem with Windows Filtering Platform (WFP) in the Microsoft products that are listed above. Microsoft intended Windows Filtering Platform for use by firewalls and other packet-processing or connection-monitoring components.

Before you continue to install Emsisoft Internet Security, you should install:
https://support.microsoft.com/kb/2958399

If you think that this warning is obsolete, you can continue with the installation at your own risk.

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