One of the most persistent issues users encounter when setting up or updating Kaspersky security software is , often specifically citing a failure to install the klim6.sys_x64 driver. This driver acts as the "Kaspersky Anti-Virus NDIS Filter," an essential component that intercepts network packets to protect your device from online threats.
immediately after the process finishes. 2. Manual Removal via Command Prompt
The most frequent cause is "ghost" drivers from a previous Kaspersky installation that didn't clear out properly. Standard Windows uninstallation often leaves behind registry entries that block new driver updates. Download the official Kaspersky Kavremover tool . kaspersky error installing driver klim6sys x64 upd
Common culprits include VMware Workstation , Cisco AnyConnect, and WinPcap.
If you are on an older version of Windows or have a corrupted network stack, a registry tweak can sometimes bypass the "too many filters" limitation. Open the (type regedit in the Run prompt). One of the most persistent issues users encounter
Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Network . Find the parameter and rename it to Config2 . Restart your PC and try the installation again.
If you receive a success message, try restarting the Kaspersky installer. 3. Check for Conflicting Network Software Download the official Kaspersky Kavremover tool
If the remover tool doesn't fix the issue, you may need to manually delete the problematic driver service.
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