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).
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 .
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. kaspersky error installing driver klim6sys x64 upd
If you receive a success message, try restarting the Kaspersky installer. 3. Check for Conflicting Network Software
Common culprits include VMware Workstation , Cisco AnyConnect, and WinPcap. If you are on an older version of
Because klim6.sys is a network filter driver, it often conflicts with other software that uses similar technology, such as VPNs or virtual machine software.
If your installation is repeatedly failing with this error, it is typically due to leftover files from previous versions, conflicting third-party network drivers, or corrupted system registry keys. 1. Perform a Clean Uninstall with Kavremover Find the parameter and rename it to Config2
Search for in your Start menu, right-click it, and select Run as Administrator . Type the following command and press Enter: sc delete klim6
Temporarily uninstall these applications, complete the Kaspersky installation, and then reinstall them afterward. This allows the Kaspersky NDIS filter to seat correctly first. 4. Reset the Network Configuration (Windows 7/8/10)