Kaspersky Error 27300 Klif.sys-x64 [2024]

Several underlying system conflicts can prevent the klif.sys_x64 driver from registering properly:

In 2026, as Kaspersky updates its products for advanced Windows 11 environments, this error still appears, usually due to driver conflicts, corrupted previous installations, or strict Windows signature enforcement. kaspersky error 27300 klif.sys-x64

Here is everything you need to know about what is causing the klif.sys error and how to fix it. Several underlying system conflicts can prevent the klif

Windows Cryptographic Services or driver catalog stores are damaged. this error still appears

Detailed step-by-step troubleshooting

Remove networking tools that use packet filters.