Open Command Prompt as Administrator. Step 2: List all third-party drivers: pnputil /enum-drivers Step 3: Find any entry containing klim6 or kaspersky . Note the "Published Name" (e.g., oem42.inf ). Step 4: Delete it: pnputil /delete-driver oem42.inf /uninstall /force Step 5: Reboot and retry.
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.
If you are trying to install a Kaspersky security product and are hitting , you’re likely dealing with a conflict involving the Kaspersky Anti-Virus NDIS Filter driver. This error usually triggers a rollback, preventing the installation from completing. error 27300 error installing driver klim6sysx64 exclusive
Boot your computer into to prevent third-party applications or locked drivers from interfering. Right-click kavremover.exe and select Run as Administrator .
Last updated: 2025. This guide applies to Windows 10, Windows 11, and Windows Server 2016/2019/2022. Open Command Prompt as Administrator
Restart your computer and try installing your antivirus again. 2. Rename or Delete the Corrupted Driver File
Residual files or registry keys from previous Kaspersky installations can block the current installer from gaining "exclusive" access to the driver path. Kaspersky Support Forum Recommended Fixes Step 4: Delete it: pnputil /delete-driver oem42
This article provides a comprehensive guide to troubleshooting and resolving this error, ranging from simple reboots to advanced command-line interventions. What is klim6.sys ?
Software that deeply integrates with network stacks—such as VMware Workstation , Cisco AnyConnect , VirtualBox , or WinPcap/Wireshark —can conflict directly with the Kaspersky NDIS filter.