Kaspersky Error Installing Driver Klim6sys X64 Upd [upd] May 2026
Kaspersky Error 27300 (often accompanied by code 2147024894 ) occurs when the installer fails to properly register the driver, which acts as the Kaspersky Anti-Virus NDIS Filter
: If the error persists, you can manually delete the driver service using the Command Prompt (Admin): sc delete klim6 Try installing the application again. Check Third-Party Conflicts : Programs that use NDIS filters (like Cisco AnyConnect kaspersky error installing driver klim6sys x64 upd
- Restart your system: Sometimes, a simple reboot can resolve the issue.
- Uninstall and reinstall Kaspersky: Try uninstalling Kaspersky and then reinstalling it. Make sure to select the "Remove all" or "Complete uninstall" option to ensure all files and drivers are removed.
- Update Kaspersky: Ensure you're running the latest version of Kaspersky. Check for updates and install any available ones.
- Disable other security software: Temporarily disable any other security software you're using, as they might be interfering with Kaspersky's installation.
- Run the Kaspersky removal tool: Kaspersky provides a removal tool that can help delete any leftover files and registry entries. Download and run the tool, then try reinstalling Kaspersky.
- Check system files and registry: Run the System File Checker (SFC) tool to scan for corrupted system files:
- Ensure installer and driver file are not blocked (right‑click → Properties → Unblock).
- Confirm %SystemRoot%\System32\drivers exists and has correct permissions.
