Open Group Policy prompt under Win7 32-bit system "MMC can not create management unit" how to solve

The fault diagram is as follows:

Cause Analysis: This problem may be caused by a user modifying a environment variable in my computer, or a fault caused by a malicious modification of an environment variable in the computer.

1. First, right click on the computer on the win7 system desktop and select the “Properties” option. In the open system properties window, switch to the “Advanced” tab and click on the Advanced tab. Environment variable;

2, in the pop-up environment variable window, pull the drop-down box, find and click to select the Path variable name, and then click the Edit (N) button to set.

3, pop-up editing system variable window, after copying the variable value, modify it to: %SystemRoot%/system32;%SystemRoot%;%SystemRoot%/System32/Wbem.

(Note: If some of the service software installed in the computer, it may be more than the configuration of the mysql database, php or java, etc., you can refer to the configuration of these files, you can Then add up, if this configuration is installed mysql database configuration mysql is installed in the c drive

%SystemRoot%/system32;%SystemRoot%;%SystemRoot%/System32/Wbem;C: /mysql5.5/bin;C:/mysql5.5/bin).