Error 27300 Error Installing Driver Klim6sysx64 Exclusive Work Jun 2026

The klim6sysx64 driver was trying to take exclusive control of the port, but the hardware was screaming, 'I'm busy saving us from overheating!'

If the driver is "stuck," you can manually delete the service via the Command Prompt: Open Command Prompt as an Administrator. Type sc delete klim6 and press Enter . Attempt to reinstall the software. error 27300 error installing driver klim6sysx64 exclusive

klim6sysx64.sys is identified as a kernel driver component (part of their endpoint security suite). The error commonly occurs during installation, update, or uninstallation of Kaspersky products, or when a conflicting security driver (another antivirus) is already active. The klim6sysx64 driver was trying to take exclusive

Sometimes a previous installation failure leaves the klim6.sys file marked for deletion upon reboot. The installer sees that the file is "in use" (by the pending deletion flag) and cannot overwrite it. klim6sysx64

Run the tool, select the product you were trying to install, and click .