Kaspersky Error 27300 Klif.sys-x64 May 2026

Kaspersky Error 27300 is a known installation or update failure tied to the klif.sys-x64 driver. This occurs when the installer cannot properly register or modify the core Kaspersky Interceptor driver file, usually due to lingering files or strict system permissions. 🛠️ Quick Solutions to Fix Error 27300

Q4: Does Kaspersky error 27300 affect Windows 10 only?

No, it also affects Windows 11, Windows Server 2016/2019/2022, and even Windows 8.1 (though klif.sys-x86 on 32-bit systems). kaspersky error 27300 klif.sys-x64

Additional Tips

• Error 27300 – The generic code for a driver loading failure during Kaspersky setup.
• klif.sys – A critical kernel-mode driver file for Kaspersky products. It handles low-level system filtering, network traffic inspection, and file system protection.
• (x64) – Indicates you are running a 64-bit version of Windows. Most modern systems are x64.