Win7 can not run the JER installation package solution

  

1. First, confirm the version of your system, whether it is Win7 system 64-bit or 32-bit, the system version is different, the version of jer that needs to be installed is also different.

2. If you still can't solve the problem, it may involve the permissions of the Win7 computer. At the same time, press the win+R shortcut on the Win7 computer keyboard to open the running window of the computer. In the window, enter service.msc and click Enter to open the service window of Win7 computer.

3. In the opened service window, find the Windows Installer item, double-click it to open it.

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