Error Installing Driver Klim6sysx64 Exclusive [portable]: Error 27300

Temporarily uninstall programs like VMware , Cisco AnyConnect , or other VPN/virtualization software that might be using the same NDIS filter layer.

Corrupted system files are a leading cause of driver installation failures. System File Checker sfc /scannow in an elevated Command Prompt. error 27300 error installing driver klim6sysx64 exclusive