If a previous version of the driver is locked, you can force its deletion via the command line. Command Prompt as an Administrator. Run the command: sc delete klim6
: Corruption in Windows Cryptographic Services or the catalog database ( catroot2 ). error 27300 error installing driver klim6sysx64 exclusive
Given that the klim6.sys_x64 driver is an NDIS filter driver, its most common "exclusive" conflict is with other network drivers. If a previous version of the driver is
: Windows enforces a strict maximum cap (usually 8 or 14) on the number of Network NDIS Filter Drivers that can be bound to a single adapter. error 27300 error installing driver klim6sysx64 exclusive
Corrupted system files are a leading cause of driver installation failures. System File Checker sfc /scannow in an elevated Command Prompt.