Kaspersky Error 27300 Klif.sys-x64 -

Kaspersky Error 27300 occurs when the installer fails to install the driver

Download kavremover.exe from Kaspersky’s official support site.
Run it, enter the security code shown, select your Kaspersky product, and click Remove.
Restart your PC.
Reinstall a fresh copy of Kaspersky from your account.

Run as Administrator: Ensure you are launching the installer with full administrative privileges to allow system-level driver installation. kaspersky error 27300 klif.sys-x64

Uncheck (disable) or right-click → Delete them.

Reboot and retry Kaspersky installation.

Error 27300 when installing a Kaspersky application for home Kaspersky Error 27300 occurs when the installer fails

If comfortable troubleshooting drivers:
- Enable Driver Verifier for non‑Microsoft drivers to identify the problematic driver: verifier.exe → Create custom settings → select non-Microsoft drivers → reboot and reproduce crash.
- Review dump files (C:\Windows\Minidump) in WinDbg to see stack traces referencing klif.sys or conflicting modules.