win 10 更新失败，错误0×80004002？

win+R输入cmd回车，输入以下内容：

C:\Windows\diagnostics\system\WindowsUpdate\DiagPackage.diagpkg

新建一个文本文档，输入以下内容：

$arch = Get-WMIObject -Class Win32_Processor -ComputerName LocalHost |

Select-Object AddressWidth 

Write-Host "1. Stopping Windows Update Services..."

Stop-Service -Name BITS

Stop-Service -Name wuauserv

Stop-Service -Name appidsvc

Stop-Service -Name cryptsvc 

Write-Host "2. Remove QMGR Data file..."

Remove-Item "$env:allusersprofile\Application

Data\Microsoft\Network\Downloader\qmgr*.dat" -ErrorAction SilentlyContinue 

Write-Host "3. Renaming the Software Distribution and CatRoot Folder..."

Rename-Item $env:systemroot\SoftwareDistribution SoftwareDistribution.bak -ErrorAction SilentlyContinue

Rename-Item $env:systemroot\System32\Catroot2 catroot2.bak -ErrorAction SilentlyContinue 

Write-Host "4. Removing old Windows Update log..."

Remove-Item $env:systemroot\WindowsUpdate.log -ErrorAction SilentlyContinue 

Write-Host "5. Resetting the Windows Update Services to defualt settings..."

"sc.exe sdset bits D:(ACCLCSWRPWPDTLOCRRCSY)

(ACCDCLCSWRPWPDTLOCRSDRCWDWOBA)(ACCLCSWLOCRRCAU)

(ACCLCSWRPWPDTLOCRRCPU)"

"sc.exe sdset wuauserv D:(ACCLCSWRPWPDTLOCRRCSY)

(ACCDCLCSWRPWPDTLOCRSDRCWDWOBA)(ACCLCSWLOCRRCAU)

(ACCLCSWRPWPDTLOCRRCPU)" 

Set-Location $env:systemroot\system32 

Write-Host "6. Registering some DLLs..."

regsvr32.exe /s atl.dll

regsvr32.exe /s urlmon.dll

regsvr32.exe /s mshtml.dll

regsvr32.exe /s shdocvw.dll

regsvr32.exe /s browseui.dll

regsvr32.exe /s jscript.dll

regsvr32.exe /s vbscript.dll

regsvr32.exe /s scrrun.dll

regsvr32.exe /s msxml.dll

regsvr32.exe /s msxml3.dll

regsvr32.exe /s msxml6.dll

regsvr32.exe /s actxprxy.dll

regsvr32.exe /s softpub.dll

regsvr32.exe /s wintrust.dll

regsvr32.exe /s dssenh.dll

regsvr32.exe /s rsaenh.dll

regsvr32.exe /s gpkcsp.dll

regsvr32.exe /s sccbase.dll

regsvr32.exe /s slbcsp.dll

regsvr32.exe /s cryptdlg.dll

regsvr32.exe /s oleaut32.dll

regsvr32.exe /s ole32.dll

regsvr32.exe /s shell32.dll

regsvr32.exe /s initpki.dll

regsvr32.exe /s wuapi.dll

regsvr32.exe /s wuaueng.dll

regsvr32.exe /s wuaueng1.dll

regsvr32.exe /s wucltui.dll

regsvr32.exe /s wups.dll

regsvr32.exe /s wups2.dll

regsvr32.exe /s wuweb.dll

regsvr32.exe /s qmgr.dll

regsvr32.exe /s qmgrprxy.dll

regsvr32.exe /s wucltux.dll

regsvr32.exe /s muweb.dll

regsvr32.exe /s wuwebv.dll 

Write-Host "7) Removing WSUS client settings..."

REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v AccountDomainSid /f

REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v PingID /f

REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v SusClientId /f 

Write-Host "8) Resetting the WinSock..."

netsh winsock reset

netsh winhttp reset proxy 

Write-Host "9) Delete all BITS jobs..."

Get-BitsTransfer | Remove-BitsTransfer 

Write-Host "10) Attempting to install the Windows Update Agent..."

if($arch -eq 64){

wusa Windows8-RT-KB2937636-x64 /quiet

} 

else{

wusa Windows8-RT-KB2937636-x86 /quiet

} 

Write-Host "11) Starting Windows Update Services..."

Start-Service -Name BITS

Start-Service -Name wuauserv

Start-Service -Name appidsvc

Start-Service -Name cryptsvc 

Write-Host "12) Forcing discovery..."

wuauclt /resetauthorization /detectnow 

Write-Host "Process complete. Please reboot your computer."

右键点击重命名吧txt改成ps1，右键管理员运行。

重启电脑可能就好了。

如果还是不行，建议重装系统。

1，打开控制面板：

左键点击“开始”按钮，找到“控制面板”；

2，选中卸载程序，双击进入。

3，查看已安装更新。

4，选中一下这个更新补丁（KB2952664/KB3035583）,右键-卸载。如果没有找到这个补丁，则说明还没有被推送更新，则关闭系统更新功能即可。

需要注意的是，卸载后还不算完，因为如果开了自动更新肯定还会自动安装回去的，最好的方法就是禁用Windows update服务。

---