Error 27300 Error Installing Driver Klim6sysx64 Exclusive __full__
is a critical installation failure that completely blocks the deployment of Kaspersky security products on Windows systems. The error message specifically states "Error installing driver klim6.sys_x64" , which indicates a failure to bind Kaspersky’s core NDIS Anti-Virus Filter driver to your system's network adapters . This issue occurs across home, business, and server environments, including Kaspersky Small Office Security and Kaspersky Endpoint Security .
Run the kavremover tool to clear all residues of the previous installation.
. This often happens because another application or a leftover driver currently has exclusive access
Restart your computer and try installing the software again. 2. Manually Delete the klim6sysx64.sys File error 27300 error installing driver klim6sysx64 exclusive
Next, type dism /online /cleanup-image /restorehealth and press Enter. Restart your computer. 4. Disable Third-Party Security Software
Virtualization software and enterprise VPNs heavily hook into NDIS layers.
When the installer displays this error, it means it cannot load, register, or overwrite this specific driver file. This is often caused by: is a critical installation failure that completely blocks
Restart your computer once both processes complete successfully. Comparison of Critical Fix Components Action Level Tool/Target Core Benefit When to Use Kaspersky Kavremover Wipes orphaned kernel traces and registry blocks. Always attempt first. System Polish MaxFilters Registry Hack Increases the OS network driver binding cap from 8 to 14. If you use heavy VPNs or Virtual Machines. Conflict Clear VMware / Cisco Uninstall Frees up locked NDIS driver stack pathways. If Device Manager throws a "Code 56" error. OS Validation DISM & SFC Commands Repairs damaged driver signing catalogs. If installation rolls back at exactly 25%.
: Most technical experts recommend using the official Kavremover tool. Boot your computer into Safe Mode . Run kavremover.exe as an Administrator .
Select the previously installed product version from the dropdown menu and execute the clean. Run the kavremover tool to clear all residues
Report generated for diagnostic reference. Use official vendor tools where available.
If you have other security software installed, it might conflict with Kaspersky. Temporarily disable or uninstall other security software and then try to install Kaspersky.
The error is often triggered by remnants of previous security software or conflicts within the Windows networking stack: Leftover Drivers : Uninstalled antivirus programs (like
