Since you are using a portable version, registry keys might be missing.
ISIS（智能原理图输入系统）是Proteus的核心，内置超过 种元器件库，是电子工程师的首选设计平台： portable proteus 7.8
What (e.g., Arduino, PIC, 8051) you plan to simulate? Since you are using a portable version, registry
: Click on the main workspace where you want the text to appear. Configure Properties : A dialog box will open where you can: portable proteus 7.8