October 4, 2017

Fix Windows Update Error 8024402F

If you are trying to update Windows and facing the error code 8024402F Windows Update encountered an unknown error then you are at the right place as today we are going to discuss on how to fix this issue. Windows updates are essential for Windows Security and ensuring proper functioning of Windows. But if you are not able to update Windows then your system is vulnerable to exploit and its advised you should fix the issue as soon as possible and run Windows Update.

Windows could not search for new updates:
An error occurred while checking for new updates for your computer.
Error(s) found: Code 8024402F Windows Update encountered an unknown error.

Fix Windows Update Error 8024402F

Even if you use Windows Update troubleshooter the error will not resolve and even reinstalling Windows won’t fix the issue. All these steps didn’t prevail anything because the main issue is with Firewall and turning it off seems to help in many cases. Anyway, without wasting any time let’s see how to actually Fix Windows Update Error 8024402F with the help of below-listed troubleshooting steps.

Fix Windows Update Error 8024402F

Make sure to create a restore point just in case something goes wrong.

Method 1: Temporarily Disable Antivirus and Firewall

Sometimes the Antivirus program can cause error and in order to verify this is not the case here, you need to disable your antivirus for a limited time so that you can check if the error still appears when the antivirus is off.

1. Right-click on the Antivirus Program icon from the system tray and select Disable.

Disable auto-protect to disable your Antivirus | Fix Windows Update Error 8024402F

2.  Next, select the time frame for which the Antivirus will remain disabled.

select the duration until when the antivirus will be disabled

Note: Choose the smallest amount of time possible for example 15 minutes or 30 minutes.

3. Once done, again try to connect to open Google Chrome and check if the error resolves or not.

4. Search for the control panel from the Start Menu search bar and click on it to open the Control Panel.

Type Control Panel in the search bar and press enter | Fix Windows Update Error 8024402F

5. Next, click on System and Security then click on Windows Firewall.

click on Windows Firewall

6. Now from the left window pane click on Turn Windows Firewall on or off.

Click on Turn Windows Defender Firewall on or off present on the left side of the Firewall window

7. Select Turn off Windows Firewall and restart your PC.

Click on Turn off Windows Defender Firewall (not recommended)

Again try to open Google Chrome and visit the web page which was earlier showing the error. If the above method doesn’t work make sure to follow the exact same steps to turn on your Firewall again.

Method 2: Update Windows Date/Time

1. Click on the date and time on the taskbar and then select “Date and time settings.”

2. If on Windows 10, make “Set Time Automatically” to “on.”

Make Set Time Automatically to on | Fix Windows Update Error 8024402F

3. For others, click on “Internet Time” and tick mark on “Automatically synchronize with Internet time server.”

Time and Date

4. Select Server “time.windows.com” and click update and “OK”. You don’t need to complete update. Just click OK.

Again check if you are able to Fix Windows Update Error 8024402F or not, if not then continue with the next method.

Method 3: Check Update Logs

1. Type powershell into Windows Search and then right-click on PowerShell and select Run as Administrator.

Search for Windows Powershell in the search bar and click on Run as Administrator

2. Now type the following command into powershell and hit Enter:

Get-WindowsUpdateLog

Run Get WindowsUpdateLog command into powershell

3. This will save a copy of Windows log on your desktop, double-click to open the file.

4. Now Scroll down to date and time when you tried the update and it failed.

Windows Update Log File | Fix Windows Update Error 8024402F

5. Go here to understand How to read the Windowsupdate.log file.

6. Once you have deduced the cause of the error make sure to rectify the problem and see if you’re able to Fix Windows Update Error 8024402F.

Method 4: Make sure Windows Update Services are running

1. Press Windows Key + R then type services.msc and hit Enter.

services windows

2. Find the following services and make sure they are running:

Windows Update
BITS
Remote Procedure Call (RPC)
COM+ Event System
DCOM Server Process Launcher

3. Double-click on each of them, then make sure the Startup type is set to Automatic and click Start if the services are not already running.

Make sure BITS is set to Automatic and click Start if the service is not running | Fix Windows Update Error 8024402F

4. Click Apply followed by OK.

5. Reboot your PC to save changes and again try to run Windows Update.

Method 5: Run System File Checker and DISM Tool

1. Open Command Prompt. The user can perform this step by searching for ‘cmd’ and then press Enter.

Open Command Prompt. The user can perform this step by searching for ‘cmd’ and then press Enter.

2. Now type the following in the cmd and hit enter:

Sfc /scannow
sfc /scannow /offbootdir=c: /offwindir=c:windows (If above fails then try this one)

SFC scan now command prompt

3. Wait for the above process to finish and once done restart your PC.

4. Again open cmd and type the following command and hit enter after each one:

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

DISM restore health system

5. Let the DISM command run and wait for it to finish.

6. If the above command doesn’t work then try on the below:

Dism /Image:C:offline /Cleanup-Image /RestoreHealth /Source:c:testmountwindows
Dism /Online /Cleanup-Image /RestoreHealth /Source:c:testmountwindows /LimitAccess

Note: Replace the C:RepairSourceWindows with the location of your repair source (Windows Installation or Recovery Disc).

7. Reboot your PC to save changes and see if you’re able to Fix Windows Update Error 0x800705b3 or  8024402F.

Method 6: Run Windows Update Troubleshooter

If nothing works till now then you should definitely try running Windows Update Troubleshooter from Microsoft Website itself and see if you’re able to Fix Windows Update Error 8024402F.

1. Open control and search Troubleshooting in the Search Bar on the top right side and click on Troubleshooting.

Search Troubleshoot and click on Troubleshooting  |Fix Windows Update Error 8024402F

2. Next, from the left window pane select View all.

3. Then from the Troubleshoot computer problems list select Windows Update.

From the Troubleshoot computer problems list select Windows Update

4. Follow on-screen instruction and let the Windows Update Troubleshoot run.

5. Restart your PC and you may be able to Fix Windows Update Error 8024402F in Windows 10.

Method 7: Uncheck Proxy

1. Press Windows Key + R then type inetcpl.cpl and hit enter to open Internet Properties.

inetcpl.cpl to open internet properties

2 .Next, Go to Connections tab and select LAN settings.

Switch to the Connections tab and click on the LAN  Settings button

3. Uncheck Use a Proxy Server for your LAN and make sure “Automatically detect settings” is checked.

Uncheck Use a Proxy Server for your LAN

4. Click Ok then Apply and reboot your PC.

Method 8: Rename SoftwareDistribution Folder

1. Open Command Prompt. The user can perform this step by searching for ‘cmd’ and then press Enter.

2. Now type the following commands to stop Windows Update Services and then hit Enter after each one:

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

Stop Windows update services wuauserv cryptSvc bits msiserver | Fix Windows Update Error 8024402F

3. Next, type the following command to rename SoftwareDistribution Folder and then hit Enter:

ren C:WindowsSoftwareDistribution SoftwareDistribution.old
ren C:WindowsSystem32catroot2 catroot2.old

Rename SoftwareDistribution Folder

4. Finally, type the following command to start Windows Update Services and hit Enter after each one:

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

Start Windows update services wuauserv cryptSvc bits msiserver

5. Reboot your PC to save changes and check if you are able to Fix Windows Update Error 8024402F.

Method 9: Reset Windows Update Component

1. Open Command Prompt. The user can perform this step by searching for ‘cmd’ and then press Enter.

2. Type the following command into cmd and hit Enter after each one:

net stop bits
net stop wuauserv
net stop appidsvc
net stop cryptsvc

Stop Windows update services wuauserv cryptSvc bits msiserver

3. Delete the qmgr*.dat files, to do this again open cmd and type:

Del “%ALLUSERSPROFILE%Application DataMicrosoftNetworkDownloaderqmgr*.dat”

4. Type the following into cmd and hit Enter:

cd /d %windir%system32

Reregister the BITS files and the Windows Update files

5. Reregister the BITS files and the Windows Update files. Type each of the following commands individually in cmd and hit Enter after each one:

regsvr32.exe atl.dll
regsvr32.exe urlmon.dll
regsvr32.exe mshtml.dll
regsvr32.exe shdocvw.dll
regsvr32.exe browseui.dll
regsvr32.exe jscript.dll
regsvr32.exe vbscript.dll
regsvr32.exe scrrun.dll
regsvr32.exe msxml.dll
regsvr32.exe msxml3.dll
regsvr32.exe msxml6.dll
regsvr32.exe actxprxy.dll
regsvr32.exe softpub.dll
regsvr32.exe wintrust.dll
regsvr32.exe dssenh.dll
regsvr32.exe rsaenh.dll
regsvr32.exe gpkcsp.dll
regsvr32.exe sccbase.dll
regsvr32.exe slbcsp.dll
regsvr32.exe cryptdlg.dll
regsvr32.exe oleaut32.dll
regsvr32.exe ole32.dll
regsvr32.exe shell32.dll
regsvr32.exe initpki.dll
regsvr32.exe wuapi.dll
regsvr32.exe wuaueng.dll
regsvr32.exe wuaueng1.dll
regsvr32.exe wucltui.dll
regsvr32.exe wups.dll
regsvr32.exe wups2.dll
regsvr32.exe wuweb.dll
regsvr32.exe qmgr.dll
regsvr32.exe qmgrprxy.dll
regsvr32.exe wucltux.dll
regsvr32.exe muweb.dll
regsvr32.exe wuwebv.dll

6. To reset Winsock:

netsh winsock reset

netsh winsock reset

7. Reset the BITS service and the Windows Update service to the default security descriptor:

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)

8. Again start the Windows update services:

net start bits
net start wuauserv
net start appidsvc
net start cryptsvc

Start Windows update services wuauserv cryptSvc bits msiserver | Fix Windows Update Error 8024402F

9. Install the latest Windows Update Agent.

10. Reboot your PC and see if you’re able to fix the issue.

Recommended:

That’s it you have successfully Fix Windows Update Error 8024402F but if you still have any queries regarding this guide then feel free to ask them in the comment’s section.