Fatal Error: Access Violation at 00007FFEACC49E5A - Fatal Error: Access Violation at 00007FFEACC49E5A Description Due to a problem in the Intel® Quartus® Prime Standard Edition Software version 21.1, you might see this error when adding finite state machine nodes in Signal Tap. Resolution A patch is available to fix this problem for the Intel® Quartus® Prime Standard Edition Software version 21.1. Download and install the patch from the following links: Intel® Quartus® Prime Software v21.1 Patch 0.13std for Window (.exe) Intel® Quartus® Prime Software v21.1 Patch 0.13std for Linux (.run) Readme for Intel® Quartus® Prime Software v21.1 Patch 0.13std (.txt) This problem is fixed starting with the Intel® Quartus® Prime Standard Edition Software version 22.1. Custom Fields values: ['novalue'] Troubleshooting 15011388030 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Standard'] 22.1 21.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']