Kaspersky Error 27300 Klif.sys-x64 May 2026

Additionally, clear the MSI cache:

If you have tried all nine methods and still face the issue, contact Kaspersky Technical Support and provide the log files located at %temp%\kis_install.log or %programdata%\Kaspersky Lab\*.log . They can supply specialized .reg fix scripts or debug builds of the driver. Modifying system drivers and registry entries carries risk. Always back up important data before proceeding. This guide is for informational purposes only. Follow steps at your own risk. kaspersky error 27300 klif.sys-x64

If you are a Kaspersky user—whether running Kaspersky Internet Security, Kaspersky Total Security, Kaspersky Endpoint Security, or Kaspersky Free Antivirus—you might have encountered a frustrating roadblock during installation, update, or uninstallation: Kaspersky error 27300 . This error is almost always accompanied by the specific driver reference klif.sys-x64 . Additionally, clear the MSI cache: If you have

to delete:

msiexec /unregister msiexec /regserver net stop msiserver net start msiserver Then run the Kaspersky installer again. Always back up important data before proceeding