Select the product you were trying to install (or "All known products"). Click . Restart your computer and attempt the installation again. Solution 2: Increase the Network Filter Limit
Error 27300 is a common installation failure for Kaspersky security products,
is a textbook case of Windows security and driver conflict mechanisms working as designed, but inconveniently for the user. The error is not a hardware failure nor a fatal OS corruption. It is simply Windows telling you: "Another process has a private (exclusive) hold on this driver file or its registry entries." error 27300 error installing driver klim6sysx64 exclusive
When the list appears, press or F7 to Disable driver signature enforcement . Once the computer restarts, run the installer. Still Having Issues?
Select the specific version of Kaspersky that was previously installed (or let it auto-detect). Click and wait for the process to complete. Select the product you were trying to install
Conflicts with third-party network drivers from applications like VMware , Cisco AnyConnect, or WinPcap.
Sign out of your current account and log into the newly visible account named . Try installing the software from this account. Solution 2: Increase the Network Filter Limit Error
Run the tool and allow it to detect previously installed Kaspersky products.
Sometimes the driver is not in System32\drivers but is staged in the driver store.