Fix Windows Error 0x8024402c – Windows 10/11 2026

Understanding Windows Update Error 0x8024402c

Error 0x8024402c is a Windows Update connectivity error that prevents your system from successfully downloading or installing updates from Microsoft servers. This error typically manifests when Windows Update cannot establish a proper connection to the update servers, often due to network configuration issues, corrupted update components, or interference from security software.

Quick Fix

The fastest solution is to reset Windows Update components using the built-in troubleshooter. Open Settings → System → Troubleshoot → Other troubleshooters → Windows Update and click Run. This resolves the connection issue in most cases by clearing cached data and resetting network configurations.

Symptoms

• Windows Update fails with error code 0x8024402c
• Update downloads start but fail to complete
• "Something went wrong" message appears in Windows Update
• Updates get stuck at various percentages during download
• Windows Update service appears to hang or become unresponsive
• Event Viewer shows WindowsUpdateClient errors with code 0x8024402c

Root Causes

• Network connectivity issues preventing communication with Windows Update servers
• Incorrect proxy server settings blocking update connections
• Corrupted Windows Update cache files (SoftwareDistribution folder)
• Windows Update service components in inconsistent state
• Firewall or antivirus software blocking Windows Update traffic
• DNS resolution problems preventing server access
• System date and time synchronization issues

Solution Methods

Method 1: Run Windows Update Troubleshooter

Windows 11 and Windows 10 include a built-in troubleshooter that automatically diagnoses and fixes common update issues including 0x8024402c.

1. Press Windows + I to open Settings
2. Navigate to System → Troubleshoot → Other troubleshooters
3. Locate Windows Update and click Run
4. Wait for the troubleshooter to scan and detect issues
5. Follow any recommended actions presented by the troubleshooter
6. Restart your computer when prompted
7. Open Windows Update and attempt to check for updates again

Verification: Run Get-WindowsUpdateLog in PowerShell to check if new update attempts succeed without the 0x8024402c error.

Method 2: Reset Windows Update Components Manually

This method manually stops update services, clears cache files, and restarts components to resolve connection issues.

1. Press Windows + X and select Command Prompt (Admin) or Windows Terminal (Admin)
2. Stop Windows Update services by running these commands:

net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver

3. Clear the Windows Update cache by deleting SoftwareDistribution contents:

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old

4. Restart the stopped services:

net start wuauserv
net start cryptSvc
net start bits
net start msiserver

5. Reset Windows Update policies:

gpupdate /force

6. Restart your computer and test Windows Update

Verification: Check Windows Update immediately after restart. The error should not appear, and updates should begin downloading normally.

Method 3: Configure Network and Proxy Settings

Error 0x8024402c often stems from network configuration issues that prevent Windows from reaching update servers.

1. Open Settings → Network & internet → Proxy
2. Ensure Automatically detect settings is enabled
3. If using a manual proxy, verify the server address and port are correct
4. Temporarily disable proxy settings to test direct connection
5. Open Command Prompt as Administrator and flush DNS cache:

ipconfig /flushdns
ipconfig /registerdns
ipconfig /release
ipconfig /renew

6. Reset network stack components:

netsh winsock reset
netsh int ip reset

7. Configure Windows Update to bypass proxy for Microsoft domains:

netsh winhttp reset proxy
netsh winhttp set proxy proxy-server="your-proxy:port" bypass-list="*.microsoft.com;*.windowsupdate.com"

8. Restart your computer and test Windows Update connectivity

Verification: Run ping windowsupdate.microsoft.com to confirm network connectivity to update servers.

Method 4: Run System File Checker and DISM

Corrupted system files can cause Windows Update to fail with error 0x8024402c. This method repairs system integrity.

1. Open Command Prompt as Administrator
2. Run System File Checker to scan for corrupted files:

sfc /scannow

3. Wait for the scan to complete (this may take 15-30 minutes)
4. Run DISM to repair the Windows image:

DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth

5. If DISM reports issues, run the restore command with Windows installation media:

DISM /Online /Cleanup-Image /RestoreHealth /Source:D:\Sources\install.wim:1 /LimitAccess

6. Restart your computer after both tools complete successfully
7. Attempt Windows Update again

Verification: Check the CBS.log file at C:\Windows\Logs\CBS\CBS.log to confirm SFC found and fixed any issues.

Method 5: Registry Modification and Advanced Reset

This advanced method modifies registry settings that control Windows Update behavior and performs a complete component reset.

1. Press Windows + R, type regedit, and press Enter
2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate
3. Right-click in the right pane and create a new DWORD (32-bit) Value named DisableWindowsUpdateAccess
4. Set its value to 0
5. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
6. Delete any entries related to WUServer or WUStatusServer if present
7. Close Registry Editor and open Command Prompt as Administrator
8. Re-register Windows Update DLL files:

regsvr32 wuapi.dll
regsvr32 wuaueng.dll
regsvr32 wuaueng1.dll
regsvr32 wucltui.dll
regsvr32 wups.dll
regsvr32 wups2.dll
regsvr32 wuweb.dll

9. Reset Windows Update database:

net stop wuauserv
rd /s /q C:\Windows\SoftwareDistribution
net start wuauserv

10. Force Windows Update policy refresh:

gpupdate /force
wuauclt /resetauthorization /detectnow

11. Restart your computer and test Windows Update

Verification: Open Event Viewer and check Windows Logs → System for successful Windows Update Agent events without error 0x8024402c.

Verification Steps

To confirm the fix worked properly, perform these verification steps:

1. Open Settings → Windows Update and click Check for updates
2. Verify that updates begin downloading without showing error 0x8024402c
3. Run this PowerShell command to check Windows Update service status:

Get-Service wuauserv | Select-Object Name, Status, StartType

4. Check Event Viewer under Windows Logs → System for successful WindowsUpdateClient events
5. Verify network connectivity to update servers:

nslookup windowsupdate.microsoft.com
telnet windowsupdate.microsoft.com 80

Advanced Troubleshooting

If the above methods didn't resolve error 0x8024402c, try these advanced alternatives:

Advanced Network Diagnostics

Run Windows Network Diagnostics specifically for Windows Update:

msdt.exe -id NetworkDiagnosticsWeb

Manual Update Installation

Download updates manually from the Microsoft Update Catalog and install them directly. Visit the Microsoft Update Catalog website, search for your specific KB numbers, and download the appropriate packages for your system architecture.

Reset Windows Update via PowerShell

Use this comprehensive PowerShell script to perform a complete Windows Update reset:

Stop-Service -Name BITS, wuauserv, appidsvc, cryptsvc -Force
Remove-Item "$env:ALLUSERSPROFILE\Application Data\Microsoft\Network\Downloader\qmgr*.dat" -Force
Remove-Item $env:systemroot\SoftwareDistribution -Recurse -Force
Remove-Item $env:systemroot\system32\catroot2 -Recurse -Force
Start-Service -Name BITS, wuauserv, appidsvc, cryptsvc