A common "feature" of this driver in recent years is its appearance in Windows 11 security warnings. Because older versions of jlinkx64.sys were developed before modern security standards like Hypervisor-protected Code Integrity (HVCI) , they are often flagged as incompatible. Microsoft Learn
Download the for Windows.
Technical role
is causing issues on your system, you generally have two paths: : Download the latest J-Link Software Pack official SEGGER website jlinkx64sys