Standard uninstallation often leaves "ghost" drivers that cause Error 27300. Use the official Kavremover utility to purge all traces of previous versions. Run the tool as an .
: Use the Kavremover tool from Kaspersky Support to completely wipe previous installation files that might be blocking the new driver. kaspersky error 27300 klif.sys-x64
Technical Incident Report: Kaspersky Error 27300 (klif.sys-x64) kaspersky error 27300 klif.sys-x64
Analyzing the system logs and debugger output related to this error can provide more insights: kaspersky error 27300 klif.sys-x64