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1️⃣ Corrupt Windows Update Components
The update process relies on services like Windows Update (wuauserv) and Background Intelligent Transfer Service (BITS).

If these services are corrupted or malfunctioning, updates may fail to download properly.

🔹 Fix: Reset Windows Update Components

Open Command Prompt (Admin).

Run the following commands one by one:


net stop wuauserv
net stop bits
net stop cryptsvc
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 Catroot2.old
net start wuauserv
net start bits
net start cryptsvc
Restart your PC and try downloading the update again.

2️⃣ Unstable or Slow Internet Connection
If your internet connection is unstable, the update download may time out or get corrupted.

A weak Wi-Fi signal or VPN interference can also cause this error.

🔹 Fix:

Restart your router and PC.

If using a VPN or proxy, disable it temporarily.

Run the Network Troubleshooter:

Settings → System → Troubleshoot → Other Troubleshooters → Internet Connections.

Try a wired Ethernet connection instead of Wi-Fi.

3️⃣ Corrupt or Missing System Files
Essential Windows system files may be missing or corrupted, preventing updates from being downloaded.

🔹 Fix: Run SFC and DISM Scans

Open Command Prompt (Admin).

Run:

sfc /scannow

If issues persist, run:

DISM /Online /Cleanup-Image /RestoreHealth
Restart your PC and try downloading the update again.

4️⃣ Windows Update Service Not Running
If Windows Update services are stopped or disabled, updates won’t download.

🔹 Fix: Restart Windows Update Services

Open Run (Win + R), type services.msc, and press Enter.

Find the following services and ensure they are Running:

Windows Update (wuauserv)

Background Intelligent Transfer Service (BITS)

Cryptographic Services

If any are Stopped, right-click → Start.

Restart your PC and try downloading the update.

Copy and paste this:

net stop bits
net stop wuauserv
net stop appidsvc
net stop cryptsvc
Del "%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\*.*"
rmdir %systemroot%\SoftwareDistribution /S /Q
rmdir %systemroot%\system32\catroot2 /S /Q
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)
cd /d %windir%\system32

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
netsh winsock reset
netsh winsock reset proxy
net start bits
net start wuauserv
net start appidsvc
net start cryptsvc

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》 CHAPTERS 《

00:00 Intro
00:22 Solution 1
01:22 Solution 2
02:04 Solution 3
02:59 Solution 4
04:50 Solution 5
06:01 Solution 6
08:36 Outro