使用安装了win10操作系统电脑的时候，对于使用的过程中系统出现的windows10错误代码0x80070490，如windows10错误代码0x80070490怎么解决？小编觉得我们可以尝试一下在管理员权限下打开命令提示符，手动注册Windows Update组件即可。详细步骤就来看下小编是怎么做的吧~

windows10错误代码0x80070490怎么解决

方法一：

手动注册Windows Update组件：

1. 同时按【Win+X】键，点选【Windows PowerShell(管理员)】

2. 拷贝下方的程序码到刚打开的PowerShell里面，按回车

3. 忽略红字错误，重启电脑

4. 运行Windows Update

$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.\"

#FormatImgID_2#

方法二：

使用sfc /scannow和Dism自动扫描和修补系统档案，然後再重启电脑：

1.右键点击任务栏上的Windows图标，选择【Microsoft Powershell(管理员)】

2.逐一输入以下指令：

Dism /Online /Cleanup-Image /CheckHealth

#FormatImgID_3#

Dism /Online /Cleanup-Image /ScanHealth

Dism /Online /Cleanup-Image /RestoreHealth

sfc /scannow

#FormatImgID_4#

3.重启电脑

4.如果出现”有一些文件无法修复“的回报，重复步骤1-3几次