系统:Microsoft Windows XP Professional
版本:5.1.2600 (WinXP Retail)
故障:COM+ Event System服务在系统服务管理器里不存~
解决:COM+ Event System这一服务对应的注册表应在以下位置，请确认：HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EventSystem
如果您还是找不到该服务。您可以根据以下步骤来操作：
重要说明：本文包含有关编辑注册表的信息。编辑注册表之前，请您备份注册表信息，确保一旦发生问题，您知道应该如何还原注册表。
步骤一：请您在“开始”菜单的搜索框中输入“regedit”并按回车，如果弹出用户账户控制窗口，请点击“继续”。在左半边页面右击“计算机”，选择“导出”，然后将其保存与桌面上。这是我们备份下来的注册表，如果我们在操作中发生什么错误的话，我们可以双击导入来恢复成原来的注册表。
步骤二：请您新建一个记事本文件并保存于桌面，然后将以下文字复制粘贴进去
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EventSystem]
"Type"=dword:00000020
"Start"=dword:00000003
"ErrorControl"=dword:00000001
"ImagePath"=hex(2):43,00,3a,00,5c,00,57,00,49,00,4e,00,44,00,4f,00,57,00,53,00,\
5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,00,76,00,63,\
00,68,00,6f,00,73,00,74,00,2e,00,65,00,78,00,65,00,20,00,2d,00,6b,00,20,00,\
6e,00,65,00,74,00,73,00,76,00,63,00,73,00,00,00
"DisplayName"="COM+ Event System"
"Group"="Network"
"DependOnService"=hex(7):52,00,50,00,43,00,53,00,53,00,00,00,00,00
"DependOnGroup"=hex(7):00,00
"ObjectName"="LocalSystem"
"Description"="支持系统事件通知服务(SENS)，此服务为订阅组件对象模型(COM)组件事件提供自动分布功能。如果停止此服务，SENS 将关闭，而且不能提供登录和注销通知。如果禁用此服务，显式依赖此服务的其他服务将无法启动。"
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EventSystem\Parameters]
"ServiceDll"=hex(2):43,00,3a,00,5c,00,57,00,49,00,4e,00,44,00,4f,00,57,00,53,\
00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,65,00,73,00,\
2e,00,64,00,6c,00,6c,00,00,00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EventSystem\Security]
"Security"=hex:01,00,14,80,7c,00,00,00,88,00,00,00,14,00,00,00,30,00,00,00,02,\
00,1c,00,01,00,00,00,02,80,14,00,ff,01,0f,00,01,01,00,00,00,00,00,01,00,00,\
00,00,02,00,4c,00,03,00,00,00,00,00,14,00,9d,01,02,00,01,01,00,00,00,00,00,\
05,0b,00,00,00,00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,\
20,02,00,00,00,00,18,00,8d,00,02,00,01,02,00,00,00,00,00,05,20,00,00,00,23,\
02,00,00,01,01,00,00,00,00,00,05,12,00,00,00,01,01,00,00,00,00,00,05,12,00,\
00,00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EventSystem\Enum]
"0"="Root\\LEGACY_EVENTSYSTEM\\0000"
"Count"=dword:00000001
"NextInstance"=dword:00000001
步骤三：保存完后，请您将其重命名为“EventSystem.reg”，然后双击导入即可。
步骤四：重新启动电脑你会看到COM+ Event System服务!