Error 27300 Error Installing Driver Klim6sysx64 Exclusive Jun 2026

How to Fix Kaspersky Error 27300: Error Installing Driver klim6.sys_x64 Exclusive

The term exclusive in the log indicates that the installer’s MoveFile or CreateFile call failed with:

Go to the menu at the top and select Show hidden devices . Expand Non-Plug and Play Drivers (or Network Adapters ). Look for klim6 or Kaspersky Anti-Virus NDIS Filter .

Download the specialized . Boot your computer into Safe Mode . error 27300 error installing driver klim6sysx64 exclusive

: If residues remain, you can manually delete the service entry. Open Command Prompt as an Administrator. Type sc delete klim6 and press Enter . Restart your computer.

If another process holds an exclusive handle to the file path or the service key, the transaction fails and rolls back, triggering .

If the klim6 driver is partially installed, it might be stuck as a corrupted service asset on your physical network adapters. How to Fix Kaspersky Error 27300: Error Installing

Sometimes Windows prevents the installation of a driver that it deems unsafe. Go to Settings > > Recovery . Under Advanced startup , click Restart now .

Context: Driver Installation Failure Affected Driver: klim6sysx64.sys Issue Type: Exclusive Access / Permissions Conflict

If you need a detailed article about (with legitimate examples like Intel or Realtek drivers), I can write that – just let me know. Download the specialized

He checked the registry keys. Clean. He checked the file permissions. Full Control.

: Applications like VMware, Cisco AnyConnect, or WinPcap (NPF) use similar network filters and can interfere with the installation. OS Integrity Issues : Corruption in the Windows Cryptographic Services or the