Error 27300 Error Installing Driver Klim6sysx64 Exclusive ● [ ULTIMATE ]

In the context of Windows Installer (MSIEXEC) and driver installation, Error 27300 is a custom error code that translates to: "The driver cannot be loaded due to an exclusive access conflict."

When you see this, the operating system’s Plug and Play Manager or the Kernel-Mode Driver Framework (KMDF) is rejecting the installation request. error 27300 error installing driver klim6sysx64 exclusive

Sometimes a previous installation failure leaves the klim6.sys file marked for deletion upon reboot. The installer sees that the file is "in use" (by the pending deletion flag) and cannot overwrite it. In the context of Windows Installer (MSIEXEC) and

sc query klim6sysx64

If result shows RUNNING, the driver is locked in memory. If result shows RUNNING , the driver is locked in memory