Rebuild started: Project: 点亮二极管Rebuild target Target 1compiling main.c...main.c(1): warning C500: LICENSE ERROR (R207(2): REGISTRY READ ERROR)linking...*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESSSEGMENT: ?PR?_DELAYS?MAINProgram Size: data9.0 xdata0 code47creating hex file from .\Objects\点亮二极管....\Objects\点亮二极管 - 0 Error(s), 2 Warning(s).Build Time Elapsed: 00:00:00这时候需要确认只是读不到注册表还是根本没有完成授权(只是单纯读不到注册表那可能是更加复杂的原因,我这里不做说明,因为原因太多)(如果是没有完成授权,很好判断,就是看你目前能不能编译2000字节以上的代码)把如下代码粘贴到你的工程中-------这段代码有2000字节以上,如果编译通过,说明你的授权没问题,编译不通过说明你的授权有问题/* Keil C51 full-license probe: intentionally stores 2304 bytes in CODE. */ /* Build this file in a new C51 project; do not suppress linker warnings. */ volatile unsigned int data probe_index; volatile unsigned char data probe_result; unsigned char code license_probe[2304] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 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UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESSSEGMENT: ?PR?_DELAYS?MAINProgram Size: data9.0 xdata0 code47creating hex file from .\Objects\点亮二极管....\Objects\点亮二极管 - 0 Error(s), 2 Warning(s).Build Time Elapsed: 00:00:00那几乎一定是你的授权有问题检查一下你注册机授权是不是按下面方法注册的或者只能选这两种选项,其他都不能选再回去重新注册一遍如果还是不行那么基本上可以确定你的keil5版本有问题,你的版本不支持破解,你大概率下载到官网最新版本的keil5了,注册机破解软件还没有破解完成卸载当前版本去下面教程下载作者网盘里的软件,并且跟着教程走一遍[1-2] 开发工具介绍及软件安装_哔哩哔哩_bilibili