You will typically find this file on your system if you have installed:
一位使用ThinkPad P16 Gen2（配备Intel Core i9-13980HX处理器）的开发者在反复插拔J-Link V9.5仿真器时遭遇了蓝屏死机。经过多次排查，蓝屏分析工具WinDBg最终将故障源头指向了 JLinkx64.sys 。
The file is a 64-bit kernel-mode device driver. It is developed by SEGGER Microcontroller. It allows Windows to communicate with J-Link hardware debuggers. Developers use these tools to program embedded systems.
SEGGER Knowledge Base : Search for specific error codes or configuration tips. jlinkx64sys
To troubleshoot these issues, users can:
: To refresh the driver, download the latest software pack and overwrite the existing installation.
Streaming log data from the target device to a PC without stopping the processor. STMicroelectronics Known Security & Compatibility Issues A common modern issue with jlinkx64.sys Core Isolation (Memory Integrity) in Windows 10 and 11. Microsoft Learn Incompatibility: You will typically find this file on your
When you install a typical J-Link software and documentation pack (v7.90+), the jlinkx64sys infrastructure includes:
Here is a comprehensive look at what this file does, why it’s on your computer, and how to fix common problems associated with it. What is jlinkx64.sys?
because older versions (specifically from 2007) do not meet modern security standards. : Download and install the latest J-Link Software and Documentation Pack from SEGGER. Manual Removal : If an old version persists, you can remove it using PowerShell (Admin) with the following command: pnputil /delete-driver oemXX.inf /uninstall /force (Note: Replace Developers use these tools to program embedded systems
[Windows Security Error] Core Isolation: Memory Integrity cannot be turned on due to incompatible drivers. Driver: jlinkx64.sys Provider: SEGGER Microcontroller Systeme GmbH
Windows built-in utilities can repair system file corruption that might affect driver stability. Type cmd in the Windows search bar. Right-click and choose Run as administrator . Type sfc /scannow and press Enter . Wait for it to finish.