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
The klif.sys-x64 file is a kernel-mode driver that interacts with the system's kernel to provide antivirus functionality. When the driver fails to load or function properly, it can cause a critical failure, resulting in error 27300. kaspersky error 27300 klif.sys-x64
Check for and remove other antivirus programs that might still be active or partially uninstalled. 3. Repair Windows System Integrity is a known installation or update failure tied to the klif
April 23, 2026 | Category: Technical Support | Reading Time: 4 minutes it can cause a critical failure