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
Windows has a default limit on how many network filters can be installed. If you use VPNs, virtualization software (like VMware), or other security tools, you might have hit this ceiling. Press Win + R , type , and hit Enter.
How to Fix "Error 27300: Error Installing Driver klim6.sys_x64_Exclusive" error 27300 error installing driver klim6sysx64 exclusive
If you are trying to install a Kaspersky security product and are hitting , you’re likely dealing with a conflict involving the Kaspersky Anti-Virus NDIS Filter driver. This error usually triggers a rollback, preventing the installation from completing.
The most common cause is a corrupted "ghost" version of a previous Kaspersky product. Standard Windows uninstallation often leaves registry keys behind. Download the official utility from Kaspersky. Boot your computer into Safe Mode . Run kavremover.exe . Select the product you were trying to install
Go to .
Sometimes the "klim6" driver is stuck to a specific network adapter. Right-click the button and select Device Manager . Expand Network adapters . Solution 2: Increase the Network Filter Limit Windows
If the error persists, ensure that you have and that no other third-party firewall or antivirus (like McAfee or Norton) is currently active. These often "lock" the network stack, preventing the klim6 driver from installing exclusively.