step7原来可以用，后来360修复系统后，step7软件不能用。
直接启动SIMATIC Manager就弹出窗口：
标题：Microsoft Visual C++ Runtime Library
内容：Runtime Error
Program： D\Program Files\Simens\Step7\S7tgtopx.exe

this application has requested, the runtime to terminate it in an unusual wau.
Please contact the application's support team for more information.