Kaspersky Error 27300 Klif.sys-x64 !!link!! Jun 2026

To resolve the error, try the following solutions:

The full error message often reads:

How to Fix Kaspersky Error 27300 (klif.sys-x64) The typically occurs during the installation or upgrade of Kaspersky security products, such as Kaspersky Internet Security , Kaspersky Total Security, or Kaspersky Endpoint Security. This error indicates a failure to install a specific driver—most commonly klif.sys-x64 (Kaspersky Lightweight Inspection Framework)—which is critical for the software's real-time protection. Primary Causes of Error 27300 kaspersky error 27300 klif.sys-x64

No. klif.sys is a legitimate Kaspersky driver. However, malware sometimes uses similar filenames. Verify digital signature: right-click klif.sys → Properties → Digital Signatures → should show “Kaspersky Lab”. To resolve the error, try the following solutions:

The most common cause is "residue" from a past antivirus version. Download the official kavremover tool Kaspersky Support Run the tool as an Administrator The most common cause is "residue" from a

If none of the above solutions work, it's best to contact Kaspersky support for further assistance. They can provide personalized help and guidance to resolve the issue.