如何修复 Windows 10/11 无法启动Windows Update服务

Windows 无法启动 Windows Update 服务（位于本地计算机上）
如何修复:错误 2：系统找不到指定的文件。
一般造成这种情况是 windows up 优化错误造成的，只需修改注册表即可解决

打开注册表 regedit
输入路径 HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wuauserv
DisplayName 修改为”@%systemroot%\\system32\\wuaueng.dll,-105″
ImagePath 修改为 %systemroot%\system32\svchost.exe -k netsvcs -p
重启即可

或者把下面代码保存 reg 格式 导入重启即可

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wuauserv]
"DependOnService"=hex(7):72,00,70,00,63,00,73,00,73,00,00,00,00,00
"Description"="@%systemroot%\\system32\\wuaueng.dll,-106"
"DisplayName"="@%systemroot%\\system32\\wuaueng.dll,-105"
"ErrorControl"=dword:00000001
"FailureActions"=hex:80,51,01,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\
  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
"ImagePath"=hex(2):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,00,73,\
  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,00,65,00,74,00,73,00,76,00,63,00,73,00,20,00,2d,00,70,00,00,\
  00
"ObjectName"="LocalSystem"
"RequiredPrivileges"=hex(7):53,00,65,00,41,00,75,00,64,00,69,00,74,00,50,00,72,\
  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,\
  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,\
  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,\
  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,\
  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,\
  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,\
  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,\
  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,\
  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,\
  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,\
  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,\
  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,\
  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,\
  72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,44,00,65,\
  00,62,00,75,00,67,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,\
  00,00,53,00,65,00,42,00,61,00,63,00,6b,00,75,00,70,00,50,00,72,00,69,00,76,\
  00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,52,00,65,00,73,00,74,00,\
  6f,00,72,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,\
  00,53,00,65,00,53,00,65,00,63,00,75,00,72,00,69,00,74,00,79,00,50,00,72,00,\
  69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,54,00,61,00,6b,\
  00,65,00,4f,00,77,00,6e,00,65,00,72,00,73,00,68,00,69,00,70,00,50,00,72,00,\
  69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,00,6f,00,61,\
  00,64,00,44,00,72,00,69,00,76,00,65,00,72,00,50,00,72,00,69,00,76,00,69,00,\
  6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4d,00,61,00,6e,00,61,00,67,00,65,\
  00,56,00,6f,00,6c,00,75,00,6d,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,\
  65,00,67,00,65,00,00,00,53,00,65,00,53,00,79,00,73,00,74,00,65,00,6d,00,45,\
  00,6e,00,76,00,69,00,72,00,6f,00,6e,00,6d,00,65,00,6e,00,74,00,50,00,72,00,\
  69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,\
  00,61,00,74,00,65,00,53,00,79,00,6d,00,62,00,6f,00,6c,00,69,00,63,00,4c,00,\
  69,00,6e,00,6b,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,\
  00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,73,00,65,00,42,00,61,00,\
  73,00,65,00,50,00,72,00,69,00,6f,00,72,00,69,00,74,00,79,00,50,00,72,00,69,\
  00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,00,00
"ServiceSidType"=dword:00000001
"Start"=dword:00000003
"SvcMemHardLimitInMB"=dword:000000f6
"SvcMemMidLimitInMB"=dword:000000a7
"SvcMemSoftLimitInMB"=dword:00000058
"Type"=dword:00000020

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wuauserv\Parameters]
"ServiceDll"=hex(2):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,\
  77,00,75,00,61,00,75,00,65,00,6e,00,67,00,2e,00,64,00,6c,00,6c,00,00,00
"ServiceDllUnloadOnStop"=dword:00000001
"ServiceMain"="WUServiceMain"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wuauserv\Security]
"Security"=hex:01,00,14,80,78,00,00,00,84,00,00,00,14,00,00,00,30,00,00,00,02,\
  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,\
  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,\
  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,\
  20,02,00,00,00,00,14,00,ff,01,0f,00,01,01,00,00,00,00,00,05,12,00,00,00,01,\
  01,00,00,00,00,00,05,12,00,00,00,01,01,00,00,00,00,00,05,12,00,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wuauserv\TriggerInfo]

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wuauserv\TriggerInfo\0]
"Type"=dword:00000005
"Action"=dword:00000001
"Guid"=hex:e6,ca,9f,65,db,5b,a9,4d,b1,ff,ca,2a,17,8d,46,e0

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wuauserv\TriggerInfo\1]
"Type"=dword:00000005
"Action"=dword:00000001
"Guid"=hex:c8,46,fb,54,89,f0,4c,46,b1,fd,59,d1,b6,2c,3b,50