Kaspersky Error Installing Driver Klim6sys X64 Upd Online
Kaspersky Error Installing Driver klim6sys x64 upd: A Comprehensive Troubleshooting Guide
- Run
gpedit.msc. - Navigate to Computer Configuration → Administrative Templates → System → Device Installation → Device Installation Restrictions.
- Disable any policy that says “Prevent installation of devices not described by other policy settings”.
The Error 27300 involving the klim6.sys_x64 driver typically occurs during Kaspersky installations or updates when the system's network stack is blocked or corrupted. This driver is an NDIS filter used for network traffic inspection, and its failure is often caused by leftover files from previous security software or conflicts with third-party network drivers like those from VMware or Cisco. Core Troubleshooting Steps kaspersky error installing driver klim6sys x64 upd
Run the utility to strip all traces of previous Kaspersky products. Kaspersky Error Installing Driver klim6sys x64 upd: A
Do you have any other antivirus programs or virtual machine tools currently active on your computer? Run gpedit
- Windows 7 SP1 (x64)
- Windows 8 / 8.1 (x64)
- Windows 10 (all builds, particularly 1809, 1909, 20H2, 21H1, 22H2)
- Windows 11 (21H2, 22H2, 23H2, 24H2)
- Windows Server 2012 R2, 2016, 2019, 2022 (x64)
4. Step-by-Step Troubleshooting & Resolution
4.1. Preliminary Checks
- Run the installer as administrator – Right-click setup executable → Run as administrator.
- Temporarily disable Secure Boot (UEFI) if driver signature issues are suspected – test only; re-enable after fix.
- Verify free disk space – At least 2 GB on system drive.
- Run
chkdsk /fto repair file system corruption.
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.