If the removal tool fails, a "ghost" (hidden) network adapter might be locking the driver.
Download the specialized . Boot your computer into Safe Mode .
The error code essentially means the installer cannot register the network filter driver because: error 27300 error installing driver klim6sysx64 exclusive
The required background service is either stopped or corrupted. Step-by-Step Solutions to Resolve Error 27300
: Windows cannot verify the digital signature of the catalog file for the driver. If the removal tool fails, a "ghost" (hidden)
If the klim6 driver is partially installed, it might be stuck as a corrupted service asset on your physical network adapters.
If the service is disabled or corrupted, the driver installation script will instantly drop a 27300 exception. 6. Repair System Corruptions and Cryptographic Catalogs The error code essentially means the installer cannot
A broken Catroot2 database preventing Windows from verifying the digital signature of the Kaspersky driver.