Win7 cannot access Windows installation Services?

It is believed that many people encounter situations where software cannot be installed, especially when a software is installed and the Windows Installer service cannot be accessed. There are Win7 system users in the installation of QQ, also encountered such a problem, prompted: Unable to access wndows Istaller service! What's going on here? Let's go and see how to resolve the problem that Win7 cannot access Windows installation Services.

　　The solution is as follows:

1, registration related components: Click Start-Run. Enter "CMD"!

2, then in the input regsvr32 msi.dll attention space! Then press ENTER, PROMPT registration success!! As shown in the image below!!

3, open the service: Click Start-Run. Then enter Services.msc Press ENTER!!

4, and then find in alphabetical order: Windows Installer Service! and then double-click!!

5, after the choice to start, to ensure that this service is the starting state can!!