系统开机后无响应或黑屏问题的解决方法

最近由于更新系统安全策略,需要run一个vbs脚本，脚本的大致功能是修改组策略，以便符合资安要求，但是脚本运行后重新启动电脑，发现系统开机以后无法显示桌面，但是按CTRL+ALT+DEL是可以显示任务管理器的，大致从网上搜索一篇类似的问题，现把问题描述和解决办法贴上：

Author:wavellan

Recently, my Windows Server 2003 box started acting up. I am not sure
if one of the hotfixes downloaded automatically by the server caused
this or a recently installed application is the culprit.

When the server boots, it goes all the way to the CTRL+ALT+DEL window.
After logging in, the Windows Desktop and Taskbar just seem to never
appear. It just sits there. Eventually, after several minutes, the
desktop appears but is generally unresponsive. In Safe Mode, the
desktop appears with no problems.

Resolve Method
For those of you who are interested, I finally resolved this issue. It
apears as some MS patch changed the permissions on the following
registry key:

HKEY_CLASSES_ROOT\CLSID

In order to resolve the problem, the following permissions were added

Registry Key: HKEY_CLASSES_ROOT\CLSID (and all child keys and values)

Permissions Added:

Authenticated users: Read access
Network Service: full control