windows update服务丢失后恢复的解决办法

由于之前使用过禁止Windows更新的一键工具，今天想打开系统更新却发现无法打开了。
打开系统服务列表发现windows update服务压根就没了！那么如何恢复Windows update服务呢？

打开注册表：运行 regedit
进入：

1. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\

复制代码

然后找到左侧的：wuauserv

2、右键导出现有的注册表wuauserv配置。

3、复制下列代码到记事本，然后另存为wuauserv.reg文件

1. Windows Registry Editor Version 5.00
   
2. 
   
3. [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wuauserv]
   
4. "PreshutdownTimeout"=dword:036ee800
   
5. "DisplayName"="@%systemroot%\\system32\\wuaueng.dll,-105"
   
6. "ImagePath"=hex(2):25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,6f,00,\
   
7.   74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,\
   
8.   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,\
   
9.   6b,00,20,00,6e,00,65,00,74,00,73,00,76,00,63,00,73,00,00,00
   
10. "Description"="@%systemroot%\\system32\\wuaueng.dll,-106"
    
11. "ObjectName"="LocalSystem"
    
12. "ErrorControl"=dword:00000001
    
13. "Start"=dword:00000002
    
14. "DelayedAutoStart"=dword:00000001
    
15. "Type"=dword:00000020
    
16. "DependOnService"=hex(7):72,00,70,00,63,00,73,00,73,00,00,00,00,00
    
17. "ServiceSidType"=dword:00000001
    
18. "RequiredPrivileges"=hex(7):53,00,65,00,41,00,75,00,64,00,69,00,74,00,50,00,72,\
    
19.   00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,\
    
20.   65,00,61,00,74,00,65,00,47,00,6c,00,6f,00,62,00,61,00,6c,00,50,00,72,00,69,\
    
21.   00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,\
    
22.   61,00,74,00,65,00,50,00,61,00,67,00,65,00,46,00,69,00,6c,00,65,00,50,00,72,\
    
23.   00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,54,00,63,00,\
    
24.   62,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,\
    
25.   00,41,00,73,00,73,00,69,00,67,00,6e,00,50,00,72,00,69,00,6d,00,61,00,72,00,\
    
26.   79,00,54,00,6f,00,6b,00,65,00,6e,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,\
    
27.   00,67,00,65,00,00,00,53,00,65,00,49,00,6d,00,70,00,65,00,72,00,73,00,6f,00,\
    
28.   6e,00,61,00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,\
    
29.   00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,73,00,65,00,51,00,\
    
30.   75,00,6f,00,74,00,61,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,\
    
31.   00,00,00,53,00,65,00,53,00,68,00,75,00,74,00,64,00,6f,00,77,00,6e,00,50,00,\
    
32.   72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,00,00
    
33. "FailureActions"=hex:80,51,01,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\
    
34.   00,01,00,00,00,60,ea,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00
    
35. 
    
36. [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wuauserv\Parameters]
    
37. "ServiceDll"=hex(2):25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,6f,\
    
38.   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,\
    
39.   77,00,75,00,61,00,75,00,65,00,6e,00,67,00,2e,00,64,00,6c,00,6c,00,00,00
    
40. "ServiceMain"="WUServiceMain"
    
41. "ServiceDllUnloadOnStop"=dword:00000001
    
42. 
    
43. [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wuauserv\Security]
    
44. "Security"=hex:01,00,14,80,78,00,00,00,84,00,00,00,14,00,00,00,30,00,00,00,02,\
    
45.   00,1c,00,01,00,00,00,02,80,14,00,ff,00,0f,00,01,01,00,00,00,00,00,01,00,00,\
    
46.   00,00,02,00,48,00,03,00,00,00,00,00,14,00,9d,00,02,00,01,01,00,00,00,00,00,\
    
47.   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,\
    
48.   20,02,00,00,00,00,14,00,ff,01,0f,00,01,01,00,00,00,00,00,05,12,00,00,00,01,\
    
49.   01,00,00,00,00,00,05,12,00,00,00,01,01,00,00,00,00,00,05,12,00,00,00

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4、双击运行wuauserv.reg，导入配置

5、重启电脑后打开服务列表，发现Windows update服务又回来了！

已解决我的问题！

谢谢楼主，解决我的大问题，我都准备重新安装系统了！

今天又一次使用此方法解决了：因为无法启动更新而无法安装Net framework3.5的问题

win10系统无法安装.Net framework3.5的解决方法
http://www.yydy.org:5/thread-247-1-1.html
(出处: 阳阳得意电脑俱乐部|一个没有广告的纯兴趣爱好网站！)