Win8.1 boot pop-up pniopcac.exe error how to do?

STEP7 Micro/Win V4.0 SP9 is a programming software. After some Win8.1 users install STEP7 Micro/Win V4.0 SP9 on the computer, the computer will pop up an Assertion window every time it starts, prompting pniopacac. The exe application error, how to solve this situation? Please see below for the method.

Win8.1 boot solutions pop pniopcac.exe wrong:

1, click the Start button select Run, type services.msc reconfirm run in;

2, find the SIMATIC IEPG Help service and S7TraceserviceX two services in a service-ri;

3, double-click on the above two services, the pop-up menu will be changed to manual startup type or disable, as shown below in the red box;

4, reset the computer.

The above is the Win8.1 startup pop pniopcac.exe error solution, there are Win8.1 users who install STEP7 Micro/Win V4.0 SP9, if you also encounter this trouble, you can follow the above tutorial To solve.