Windows7家庭普通版的计算机管理不能打开

每次右键计算机，选择管理的时候就出现了这个东西，请高手帮忙恢复，谢谢！

将下列文字用复制到记事本里，然后将其后缀名改为.reg，（把文件类型改成所有文件就能设定后缀名）也就是注册表文件，然后双击此文件，将其导入注册表。

Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\Manage]
@=hex(2):40,00,25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,6f,00,74,\
00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,00,\
79,00,63,00,6f,00,6d,00,70,00,75,00,74,00,2e,00,64,00,6c,00,6c,00,2c,00,2d,\
00,34,00,30,00,30,00,00,00
"MUIVerb"=hex(2):40,00,25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,\
6f,00,74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,\
00,6d,00,79,00,63,00,6f,00,6d,00,70,00,75,00,74,00,2e,00,64,00,6c,00,6c,00,\
2c,00,2d,00,34,00,30,00,30,00,00,00
"SuppressionPolicy"=dword:4000003c
"HasLUAShield"=""
[HKEY_CLASSES_ROOT\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\Manage\command]
@=hex(2):25,00,77,00,69,00,6e,00,64,00,69,00,72,00,25,00,5c,00,73,00,79,00,73,\
00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,00,6d,00,63,00,2e,00,65,00,78,00,\
65,00,20,00,2f,00,73,00,20,00,25,00,77,00,69,00,6e,00,64,00,69,00,72,00,25,\
00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,63,00,6f,00,\
6d,00,70,00,6d,00,67,00,6d,00,74,00,2e,00,6d,00,73,00,63,00,00,00

背面没有的话，就打售后电话问问，要是还没有的话，自己网上找激活工具激活，不想自己找留下邮箱。