Do you have any specific error messages or details about the issue you're experiencing?
Select and click Uninstall .
: Reaching the Windows limit for the maximum number of network filter drivers installed on a single system. Solutions to Fix the Error klim6 sys x64 kaspersky error
If the issue persists, the cause may lie within the operating system itself. 1. Run System File Checker (SFC)
The error (often accompanied by Error 27300 ) typically occurs during the installation or upgrade of Kaspersky software . It indicates a failure to install the Kaspersky Lab Interceptor Mask (KLIM) network filter driver, which is essential for monitoring network traffic. Common Causes Do you have any specific error messages or
: Leftover files from previous Kaspersky versions or other security software (like McAfee or Sophos ) blocking the new driver.
“Incompatible application detected. KLIM6.sys (or klim6_x64.sys) is not compatible with this version of Windows / Kaspersky.” Solutions to Fix the Error If the issue
| Step | Action | |------|--------| | 1 | Note exact error code and text (screenshot if possible). | | 2 | Run verifier (Driver Verifier) – but (risk of BSOD). | | 3 | Check Windows Event Viewer → System & Application logs for Kaspersky or klim6 entries. | | 4 | Boot Safe Mode with Networking – does Kaspersky work? (If yes, a driver is conflicting.) | | 5 | Disable Virtualization-Based Security (VBS) / Memory Integrity (Windows Defender → Core Isolation). | | 6 | Update chipset + LAN drivers from your motherboard manufacturer (KLIM6 → check who built it: Intel NUC? KLIM laptop? Custom build?). |
If the NDIS filter is corrupted, you can manually reinstall it: Open ( ncpa.cpl ).
Without the precise text, the above covers 99% of klim6 + Kaspersky + x64 issues.
Remnants of older antivirus installations, such as McAfee or Sophos, still active in the registry. Phase 1: Immediate Recovery (If Stuck in BSOD)