If the issue persists, your Windows driver catalog or Base Filtering Engine might be damaged. Repair System Files sfc /scannow
If software conflicts and leftovers aren't the issue, the problem likely lies within Windows itself. The following advanced diagnostic steps are recommended by Kaspersky: kaspersky error installing driver klim6sys x64 upd
Press Win + R , type ncpa.cpl , and hit to open Network Connections. If the issue persists, your Windows driver catalog
: Ensure all pending Windows Updates are installed, as missing root certificates can disrupt driver signing. Kaspersky Support Forum Step-by-Step Resolution Guide 1. Clean Removal of Previous Versions If the issue persists
: Right-click the installer and select Run as Administrator to ensure it has the required permissions to modify system drivers.