报错：
![Unable to open HEX file '..\仿真程序\project.hex'. [U1]](https://mcude.oss-cn-beijing.aliyuncs.com/Picture/20220630150355.png)
本次主要给大家解决在proteus中由上述图片报错的解决方案。
PROSPICE 8.08.00 (Build 29194) (C) Labcenter Electronics 1993-2021.
Loaded netlist 'C:\Users\18016\AppData\Local\Temp\LISA2570.SDF' for design '******.pdsprj'
MCS8051 model version 8.05.01 (Build 29838). [U1]
Unable to open HEX file '..\仿真程序\project.hex'. [U1]
No program code loaded. [U1]
Real Time Simulation failed to start.
解决办法
1.双击芯片，打开设置
2.重新添加程序文件地址
原因
文件地址发生变化，所以需要重新加载程序文件
