Errors in Kaspersky Endpoint Security for Windows occurring after the installation of Windows updates

 

Kaspersky Endpoint Security 11 for Windows

 
 
 

Errors in Kaspersky Endpoint Security for Windows occurring after the installation of Windows updates

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Latest update: November 25, 2021 ID: 15819
 
 
 
 

Issue

Windows updates listed in the table below may interfere with the operation of Kaspersky Endpoint Security for Windows.

After the installation of a Windows update Kaspersky Endpoint Security for Windows keeps functioning correctly and the security of the system remains intact, but installation of a major update for Kaspersky Endpoint Security for Windows (for example, upgrading from version 11.6 to 11.7) becomes unavailable.

We recommend installing the fix released by Microsoft as soon as possible. Find a fix for your Windows version in the table below.

If Microsoft has not released a fix for your Windows version yet, use one of the solutions provided below. For other versions, the fix is expected to be released in the middle of November 2021. Until then, try using one of the solutions below.

Operating systemUpgradeFix
Windows 7KB5007233, KB5007236-
Windows 8.1KB5007247, KB5007255-
Windows 10KB5007207, KB5007186, KB5007189, KB5007192 KB5007253
Windows 10 1809 (RS5)KB5007206KB5007266
Windows 11KB5007215KB5007262
Windows Server 2008KB5007246, KB5007263-
Windows Server 2008 R2KB5007233, KB5007236-
Windows Server 2012KB5007245, KB5007260-
Windows Server 2012 R2KB5007247, KB5007255-
Windows Server 2016KB5007192-
Windows Server 2019KB5007206KB5007266
Windows Server 2022KB5007205KB5007254

For more information, see the Microsoft support site.

Solution

If Kaspersky Endpoint Security for Windows does not start after the operating system upgrade (for example, from 21H1 to 21H2):

  1. Download kes_setup_util.
  2. Run cmd.exe with the administrator rights and execute the command kes_setup_util.exe /unblock
  3. Wait until the tool completes its work.
  4. Restart the computer or force run the AVP service using the command sc start avp
  5. If Kaspersky Endpoint Security for Windows still does not start, proceed the solution below.

If Kaspersky Endpoint Security for Windows fails to start after the installation of the Windows updates from the table:

  1. Install the fix from the table above, if available. If the fix for your Windows version has not been released yet, delete the Windows update that causes the issue.
  2. Restart your computer.
  3. Uninstall Kaspersky Endpoint Security for Windows. If the application cannot be removed in a regular way:
    1. Download kes_setup_util.
    2. Run cmd.exe with the administrator rights and execute the command kes_setup_util.exe /unblock
    3. Try uninstalling Kaspersky Endpoint Security for Windows once again. If the issue persists, use the kavremover tool.
  4. Install Kaspersky Endpoint Security for Windows once again.

If an error occurs at the installation of a major update for Kaspersky Endpoint Security for Windows, for example, version 11.7:

  1. Install the fix from the table above, if available. If the fix for your Windows version has not been released yet, delete the Windows update that causes the issue.
  2. Restart your computer.
  3. Run a database update in Kaspersky Endpoint Security for Windows.
  4. Try installing the new version of Kaspersky Endpoint Security for Windows again.

If Kaspersky Endpoint Security for Windows cannot be removed or upgraded or an MSP patch cannot be installed:

  1. Run a database update in Kaspersky Endpoint Security for Windows.
  2. Try to perform the action that resulted in an error once again.

What to do if the solution did not help

If the issue persists, submit a request to Kaspersky technical support via Kaspersky CompanyAccount. Please include a detailed description of the issue. Before contacting the support, see the guide on creating a request in the knowledge Base.

 
 
 
 
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