--- title: "Lasernet Service Stops after Windows Update KB4338815" slug: "lasernet-service-stops-after-windows-update-kb4338815" description: "After Windows ® update KB4338815, the Lasernet Developers \"Update\" function will not work anymore. Read this article to learn how to solve this." updated: 2024-09-20T14:51:15Z published: 2024-09-20T14:51:15Z canonical: "kb.lasernetgroup.com/lasernet-service-stops-after-windows-update-kb4338815" --- > ## Documentation Index > Fetch the complete documentation index at: https://kb.lasernetgroup.com/llms.txt > Use this file to discover all available pages before exploring further. # Lasernet Service Stops after Windows Update KB4338815 After Windows ® update KB4338815, the Lasernet Developers **Update** function will not work anymore. Every time a user clicks **Update**, the services do not respond, and they cannot be stopped in the Task Manager. Reboot the machine every time you make an update. After you install any of the July 2018 .NET Framework Security Updates, a COM component fails to load because of “access denied,” “class not registered,” or “internal failure occurred for unknown reasons” errors. The most common failure signature is the following: > [!CAUTION] > Error > > Exception type: System.UnauthorizedAccessException > > Message: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)) For more information on a resolution to this, see [KB 4345913.](https://support.microsoft.com/en-gb/topic/-access-denied-errors-and-applications-with-com-activation-fail-after-installing-july-2018-security-and-quality-rollup-updates-for-net-framework-fd3d7a3f-ca2f-6e87-c409-a5652175cf40) After installing KB4346745, the error will not occur.