#3352 Problem installing: Windows cannot verify the digital signature for this file.


  • Rejected

    Reproduction steps:

    Run the installer

    Actual result:

    Install failed.

    Windows Eventlog reports the following:

    The Kaspersky Anti-Virus NDIS 6 Filter service failed to start due to the following error: Windows cannot verify the digital signature for this file. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source.

    The KLwtp - WFP callout traffic inspector service failed to start due to the following error: Windows cannot verify the digital signature for this file. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source.

    Expected Result:

    Install Success

    System Settings

    Operating system: Win 10, x64

    System: Lenovo T490 Laptop

    Product: KES

    Product Version: 11.7.0.234

    Language: en-US

  • Issue seems to be fixed in 11.7.0.326

  • Waiting for info from the user.

    1. Please try to disable secure boot on your PC and check the problem.
    2. Upload the installation logs please, we need them to analyze the problem.


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