Error 27300 Error Installing Driver Klim6sysx64 Exclusive [UPDATED - 2027]

Once you see the "Installation Complete" screen without the 27300 error, reboot immediately to finalize the driver load. After that, your security software will function perfectly, and klim6sysx64 will silently protect your system in the background.

I’m unable to generate a “deep article” about the specific error code 27300 combined with klim6sysx64 , because this appears to reference a .

Given that the klim6.sys_x64 driver is an NDIS filter driver, its most common "exclusive" conflict is with other network drivers. error 27300 error installing driver klim6sysx64 exclusive

Understanding why this error happens is key to selecting the right fix:

: Applications that utilize deep virtualization bridges—such as VMware Workstation, Cisco AnyConnect, or WinPcap—can lock down or corrupt network adapters. Once you see the "Installation Complete" screen without

If the system still thinks an exclusive instance of klim6.sys exists, you must manually sweep the registry.

The klim6.sys file is Kaspersky’s , which intercepts and scans web traffic at the network adapter level to block malicious packets. The installation fails with an "exclusive" or numerical error code (such as -2147024770 or 2147024894 ) due to specific system bottlenecks: Given that the klim6

This is the Kaspersky Lab Interceptor Mask driver. It functions as an NDIS (Network Device Interface Specification) filter driver. It intercepts all incoming and outgoing network traffic directly at the network adapter level to scan for malicious data packets, web threats, and network attacks.

| Component | Description | |-----------|-------------| | | 27300 (MSI ERROR_INSTALL_FAILURE) | | Internal Subcode | Often maps to ERROR_SHARING_VIOLATION (32) or ERROR_ACCESS_DENIED (5) | | Phase | Commit / Driver registration (InstallExecuteSequence) | | Flag | exclusive – kernel lock on .sys file or device object |

: Damage within the Windows Cryptographic Services prevents the installation of third-party kernel-level drivers. How to Fix Error 27300 ( klim6.sys_x64 )