Kaspersky Error Installing Driver Klim6sys X64 Upd [new]

The system32 folder might contain corrupted klim6 drivers from a previous session.

Ensure your system files are up-to-date:

klim6sys is a system driver used by Kaspersky antivirus software. The x64 suffix indicates it's a 64-bit driver, and upd suggests it's an updated version. kaspersky error installing driver klim6sys x64 upd

Ensuring Windows is up-to-date can resolve many compatibility issues. Open > Windows Update and check for and install all available updates.

Disabling Secure Boot and Driver Signature Enforcement reduces your system's defenses against certain types of malware. Therefore, you should only disable these features as a temporary troubleshooting step. Be absolutely certain that you have downloaded your Kaspersky installer directly from the official Kaspersky website before proceeding. You should re-enable these security features as soon as the Kaspersky installation is complete. The system32 folder might contain corrupted klim6 drivers

If the installer continues to roll back at the driver phase, you can manually force Windows to accept the NDIS filter.

For older systems, the network configuration registry can become "stuck." Registry Editor Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Network parameter and rename it to your computer and try the installation again. 3. The Manual Driver Handshake Therefore, you should only disable these features as

), you may need to temporarily disable driver signature verification through Windows advanced startup settings before retrying the installation. Update Root Certificates

Disclaimer: This article is based on information from Kaspersky forums and support documents as of June 2026.

Windows occasionally blocks the klim6.sys driver during installation due to strict enforcement protocols, especially during major Windows updates.