Error 27300 is a generic Windows Installer error returned when a custom action attempts to register a service or driver and fails. In the context of klif.sys-x64 , the installation package failed to register the driver with the Windows Service Control Manager (SCM).
prevents the driver's digital signature from being validated. Driver Residue
To resolve the error, try the following solutions: kaspersky error 27300 klif.sys-x64
: Missing Windows updates may mean your system lacks the root certificates needed to validate the installer's signature. Step-by-Step Solutions 1. Clean Residual Kaspersky Data
Windows prevents the installation of a driver it considers unverified. Error 27300 is a generic Windows Installer error
Standard uninstallation often leaves driver remnants. Use the official Kaspersky removal tool.
: Residual files from a previous Kaspersky installation can block new drivers from being written. Driver Residue To resolve the error, try the
Third-party applications, especially those that use network filtering or virtual drivers, can conflict with klif.sys .
Traces of a previous Kaspersky installation conflicting with the new version.
If you want to look at more specific fixes for your setup, let me know:
Select the Kaspersky product you are trying to install from the drop-down menu (or select "All known products"). Click and wait for the process to complete.