win10升级更新2004版卡在49%如何解决

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问题情况:

安装总是卡 49%,重启过也没用。

解决方法一:

等待,在网络情况正常的话,多等一会,时间过长比如 2 个小时或以上再看看方法二。

解决方法二:

1、同时按【Win + X】键,点选【Windows PowerShell(管理成员)】

2、复制下面的程序码到刚打开的 PowerShell 里面,按回车

$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:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)

sc.exe sdset wuauserv
D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)

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.

3、忽略红字错误,重启电脑

4、运行 Windows Update 即可正常运行。

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