Knowledge center
Knowledge center for business applications
Kaspersky Endpoint Security 14 for Windows
Compatibility problems
Errors in Kaspersky applications for business after...
Kaspersky Endpoint Security 14 for Windows
Knowledge Base Online Help
Advice & Solutions FAQ Download Buy Renew Contact Support Recovery tools Support lifecycle
 
 

Errors in Kaspersky applications for business after installing Windows updates

Latest update: May 27, 2026 ID: 15819
 
 
 
 
Show applications and versions that this article concerns
  • Kaspersky Endpoint Security 14 for Windows (all versions)
  • Kaspersky Endpoint Security 12 for Windows (all versions)
  • Kaspersky Embedded System Security 4.0 for Windows
  • Kaspersky Industrial CyberSecurity for Nodes 4.5
  • Kaspersky Endpoint Security Cloud (all versions)

The Info icon. The recommendations may also apply to the software versions that are no longer supported:

  • Kaspersky Endpoint Security 11 for Windows (all versions)
We recommend using only supported versions of Kaspersky applications to ensure the maximum level of protection and provide access to new features and improvements.
 
 
 
 

Issue

Windows updates listed in the table below may interfere with the operation of Kaspersky applications for business.

For example, the error message may appear: “Fatal error during installation. (Windows updates incompatible with the application are installed on the computer. Please install more recent Windows update packages. For more details, see https://support.kaspersky.com/15819)”.

After installing a Windows update, the application continues to function correctly, and the system security remains intact, but installing a minor application update (e.g., upgrading Kaspersky Endpoint Security for Windows from version 12.1 to 12.2) becomes unavailable.

Solution for Kaspersky applications for business

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

Operating system Update Update with fix
(November 2021)		 Update with fix
(December 2021)
Windows 7 KB5007233, KB5007236 — KB5008244
Windows 8.1 KB5007247, KB5007255 — KB5008263
Windows 10 version 2004 (20H1) and later KB5007186 KB5007253 KB5008212
Windows 10 version 1909 (19H2) KB5007189 — KB5008206
Windows 10 version 1809 (RS5) KB5007206 KB5007266 KB5008218
Windows 10 version 1607 (RS1) KB5007192 — KB5008207
Windows 10 version 1507 (TH1) KB5007207 — KB5008230
Windows 11 KB5007215 KB5007262 KB5008215
Windows Server 2008 KB5007246, KB5007263 — KB5008274
Windows Server 2008 R2 KB5007233, KB5007236 — KB5008244
Windows Server 2012 KB5007245, KB5007260 — KB5008277
Windows Server 2012 R2 KB5007247, KB5007255 — KB5008263
Windows Server 2016 KB5007192 — KB5008207
Windows Server 2019 KB5007206 KB5007266 KB5008218
Windows Server 2022 KB5007205 KB5007254 KB5008223

For more information, see the Microsoft support website:

Where to find and download a fix

Solution for Kaspersky Endpoint Security for Windows

If Kaspersky Endpoint Security for Windows does not start after the operating system upgrade (for example, from 22H1 to 22H2):

  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 your PC or force run the AVP service using the command:

    powershell start-service avp*

  5. If Kaspersky Endpoint Security for Windows still does not start, proceed to the solution below.

If Kaspersky Endpoint Security for Windows fails to start after installing the Windows updates from the table above:

  1. Install an available fix from the table above. If the fix for your Windows version has not been released yet, delete the Windows update that causes the issue.
  2. Restart your PC.
  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 when installing a minor update for Kaspersky Endpoint Security for Windows, for example, version 12.12:

  1. Install an available fix from the table above. If the fix for your Windows version has not been released yet, delete the Windows update that causes the issue.
  2. Restart your PC.
  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 issue persists

If the issue persists, collect diagnostic data and submit a request to Technical Support via Kaspersky CompanyAccount.

 
 
 
 
 
Kaspersky Premium Support (MSA): High‑priority incident processing
Telephone and web ticket support. Fast response, monitoring and health check. Submit a request and activate the contract (MSA).
Kaspersky Endpoint Security for Windows: Detection of advanced threats
Control systems which prevent damage from the sensitive data theft. Management from a single console. Buy as part of Endpoint Security for Business Advanced.
Did you find this article helpful?
What can we do better?
Thank you for your feedback! You're helping us improve.
Thank you for your feedback! You're helping us improve.