Switch to ST-LINK.

flash.cmd

@@ -1,3 +1,9 @@
 @echo off
 
+SET STLINK_CLI="C:\MCU\STMicroelectronics\STM32 ST-LINK Utility\ST-LINK Utility\ST-LINK_CLI.exe"
+
+%STLINK_CLI% -c SWD -P build\Skid.hex -Rst
+
+exit 0
+
 C:\MCU\SEGGER\JLink\JLink.exe -CommanderScript flash.jlink