The problem of overflow of the Installer folder in Windows OS due to Kaspersky Anti-Virus

To remove unnecessary installer files from the Installer folder, use a handy utility called PatchCleaner. Follow the instructions below:

1. Go to the official PatchCleaner website and download the utility.
2. Run the downloaded PatchCleaner file and follow the installer's instructions to install the program on your computer.
3. Once installed, run PatchCleaner. The program will automatically find and display all unnecessary installer files in the Installer folder.
4. Select the option to remove unnecessary installer files and start the cleanup process. You can also choose to move these files to another hard drive.

Perhaps the problem occurred after updating the release version of Windows 10/11. And the lack of cumulative service packs. Above.

Keep in mind that before taking any action, you need to carefully read the instructions on the Microsoft website and back up all data from your workstation.

If after updating the operating system version, for example from 21H1 to 21H2, Kaspersky Endpoint Security for Windows does not start, follow these steps:

1. Download the utility kes_setup_util.
2. Run command line cmd.exe with administrator rights.
3. Type the command kes_setup_util.exe /unblock and press Enter.
4. Wait for the utility to complete.
5. Reboot the computer or force the AVP service to start using the sc start avp command.
6. If Kaspersky Endpoint Security for Windows still does not start, go to the next solution.

If after installing updates from the table above, Kaspersky Endpoint Security for Windows does not start, do the following:

1. Install the available update with the hotfix from the table above, or uninstall the problematic service pack if the available hotfix is ​​not already installed.
2. Restart the computer.
3. If you cannot uninstall Kaspersky Endpoint Security for Windows using standard tools, take the following steps:
   • Download the utility kes_setup_util.
   • Run command line cmd.exe with administrator rights.
   • Type the command kes_setup_util.exe /unblock and press Enter.
   • Try uninstalling Kaspersky Endpoint Security for Windows again. If the program is still uninstallable, use the kavremover utility.
4. Install Kaspersky Endpoint Security for Windows again.

If you experience problems installing a major update of Kaspersky Endpoint Security for Windows, for example, version 11.7, do the following:

1. Install the available update with the hotfix from the table above, or uninstall the problematic service pack if the available hotfix is ​​not already installed.
2. Restart the computer.
3. Update the databases of Kaspersky Endpoint Security for Windows.
4. Repeat the installation of the new version of Kaspersky Endpoint Security for Windows.

If you experience problems installing an MSP patch, changing the composition of components, or uninstalling Kaspersky Endpoint Security for Windows, do the following:

1. Update the databases of Kaspersky Endpoint Security for Windows.
2. Retry the operation that failed.