Kaspersky Error Installing Driver Klim6sys X64 Upd Jun 2026

Press Win + S , type cmd , right-click , and select Run as administrator .

These steps take less than 5 minutes and resolve the issue in about 30% of cases.

If the error persists, it is recommended to contact Kaspersky Technical Support. They will likely request specific logs, including: kl-install-yyyy-mm-dd-hh-mm-ss.log.enc1 kl-setup-yyyy-mm-dd-hh-mm-ss.log.enc1 setupapi.dev.log (Found in \Windows\inf folder)

: Ensure your Windows is fully updated. If updates are restricted, manually update the root certificates to ensure the installer's digital signature is recognized. Proactive Troubleshooting If these steps do not work, check your Base Filtering Engine (BFE) service in services.msc kaspersky error installing driver klim6sys x64 upd

Are you getting a specific (like 2147024894 ) alongside the driver name, or did this happen during a Windows update ?

and press Enter. This removes any stuck service definitions. Kaspersky Support Forum 3. Fix System Corruptions

pnputil /enum-drivers

The klim6.sys file is the (NDIS 6 Filter Driver). It is a critical component that allows Kaspersky to monitor network traffic to protect you from malware, phishing attempts, and network attacks.

Test Mode lowers security. Only do this for the duration of the installation.

When the "Error 27300" interrupts your Kaspersky installation, it's usually because the driver—the engine behind the Kaspersky NDIS 6 Filter Press Win + S , type cmd ,

: Conflicts often occur with other software that installs network drivers. The known culprits are VMware Workstation, VMware Player, Cisco AnyConnect VPN, and WinPcap (NPF) . Temporarily uninstall these programs, restart your PC, and then try installing Kaspersky again. You can reinstall them after Kaspersky is successfully installed.

Windows 10/11 blocks drivers that are not digitally signed. While Kaspersky drivers are signed, a corrupted signature cache can cause false rejection.

The "Kaspersky error installing driver klim6sys x64 upd" is a deep-seated issue that signals a problem with your computer's network driver environment or its core system files. While the error message can be intimidating, the solutions are systematic and effective. and press Enter

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

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