Kaspersky Error 27300 Klif.sys-x64 [new] Jun 2026

Download the latest Kavremover tool from Kaspersky's official website.

Error 27300 when installing a Kaspersky application for home

Hold down the key while clicking Restart in the Windows Start Menu.

The Base Filtering Engine manages firewall and security policies. If this service is stopped or glitched, Kaspersky drivers cannot register. Press Win + R , type services.msc , and press . Scroll down to find Base Filtering Engine .

Use the tool for deeper repairs: DISM.exe /Online /Cleanup-image /Restorehealth . Final Considerations kaspersky error 27300 klif.sys-x64

To resolve the error, try the following solutions:

The you are installing (e.g., Kaspersky Total Security, Kaspersky Internet Security, or the new Kaspersky Standard/Plus/Premium).

Search for any residual drivers related to previous security software.

Restart your PC normally and attempt the installation again. Step 2: Disable Windows Driver Signature Enforcement If this service is stopped or glitched, Kaspersky

Kaspersky Error 27300 is a frequent issue that stops the installation or upgrade of Kaspersky security products. It usually appears with the message: "Error 27300. Error installing driver klif.sys_X64" .

Sometimes, a simple reboot can resolve the issue, especially if another program is interfering with Kaspersky.

Select your product from the list and let it clean all traces.

prevents the driver's digital signature from being validated. Driver Residue Use the tool for deeper repairs: DISM

Ensure the Status is and the Startup Type is Automatic . If it is stopped, right-click and select Start . Final Resort: The "Clean Boot" Installation

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. This is usually caused by leftover files from previous installations or conflicts with network filter drivers from third-party software like VMware, Cisco AnyConnect, or WinPcap. 🛠️ Step 1: Clean Up Previous Installations

The System File Checker (SFC) tool can help repair corrupted system files.