Restart the computer; Windows will automatically rebuild a clean catalog folder. 2. Aggressive Driver Cleanup
Third-party applications, especially those that use network filtering or virtual drivers, can conflict with klif.sys . kaspersky error 27300 klif.sys-x64
When the installer hits Error 27300, it means Windows refused to load this driver. Usually, this is because Windows Security (or a third-party antivirus) is blocking it, or because a previous security driver wasn't fully cleaned up. Restart the computer; Windows will automatically rebuild a
Follow these steps in order to resolve the installation failure. Restart the computer
fails, use an elevated Command Prompt to manually remove the service entry: sc delete klif sc delete klim6 if a network driver is also failing). Kaspersky Support Forum 3. Resolve Third-Party Filter Conflicts