最近win102004更新开放了之后，很多用户都在更新最新的2004版系统了，但是有部分用户发现自己更新到49%的时候卡住了win10升级2004版卡在49%怎么解决?其实win10升级2004版卡在49%的解决方法不是很麻烦，一起来看看吧。

win10升级2004版卡在49%怎么解决

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。