Solutions to Fix Windows 10/11 Update Error Code 0x8007045B

Details: windows 10/11 update Error code 0X8007045B generally found in Windows updates when it is in auto-update settings.

Disclaimers: Before you attempt to fix an issue with the windows update, we highly recommend you to take a registry back up and create a system restore point as a precaution method. In case if something goes wrong, we can restore your computer to the same stage and fix the issues. (In case if you not sure how to back it up, talk to an expert for assistance.)


Why Windows 10/11 Updates are Important:-

Windows 10/11 Updates are nothing but enhancement features for presentation software. There may be security updates also to protect your machine from malware, virus attacks. Generally, Windows operating system configured to check and install updates automatically through its internal service called Windows update.

Why is Your Computer Getting Windows 10 Update Error code 0X8007045B

There are several reasons that any machine may get issues with windows 10 update service clients in the operating system. Like,

Windows Firewall issues

Internet connection issues

Files system corruption issues

Windows update service damaged

Solutions for Error code 0X8007045B In Windows 10 Update

Here you have to follow steps as per causes of this Error code 0X8007045B in windows 10 update service client/

Firewall Check:-

First change your antivirus/firewall settings to OFF,

Windows Firewall is software that runs on your computer and provides protection against network attacks from the Internet or other computers on the network.

To turn off the firewall,

Type in FIREWALL in start button search bar and open the firewall application,

From the left side panel, find Turn windows firewall on /off option, as shown in pic,

Then choose to Turn off windows firewall in private and public network options.

Note: Once Error code 0X8007045B windows update gets fixed, you should turn on the windows firewall application.

Change Your Internet Connection:-

Switch your internet to another network and try to do Windows 10 updates.

Also, When you try to access, your computer contacts its DNS server and asks for’s IP address. The default DNS servers your network uses are provided by your Internet service provider, and they may sometimes experience problems.

You can try accessing a website at its IP address directly, which bypasses the DNS server.

File System Corruption:-

Perform an SFC Scan from the command line as admin and fix if there are any files system corruptions.

You can perform a system file scan process which can be started on a command prompt window with administrative rights.
SFC /SCANNOW is the command line which needs to be executed.

How to do a SFC Scan:-

Click on the start button and type “cmd”

Open “Command prompt window” and type “SFC/SCANNOW” PRESS enter button

The scanning process start and this process take some time to finish. Please wait until it gives results.

SFC Scan
If the computer says, no integrity violations found, then try to reinstall the program which may sometimes replace the corrupted files on your office program.

Windows Update Client Damage:-

There is some fix it tools to solve some common issues, the windows troubleshooter tool is one of that kind. It fixes many issues by downloading pre-requisites of windows 10/11 updates that are pending and then proceed to download original security patches or any other windows updates using updates client application. Use windows troubleshooter using a fix it tool, and then try a manual install of updates.

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There are some advanced methods to fix this Error code 0X8007045B in windows 10/11 update using some commands and resetting your operating system to a healthy restoring point.

Restoring Health:-

1. Open Cmd prompt as admin mode,

2. Type in the command as follows and press enter,

dism /online /cleanup-image /restore health

3. It will take time to go back to the healthy restore point.(You can also restore in by mounting the windows source file as DVD or USB stick)

dism /online /cleanup-image /restore Health /source: c:\offline /limit access (assuming source file in c:/ drive)

Reset the Windows Operating System:-

NOTE: Try this only if you don’t have much data on your computer because it takes a time to take a backup of existing files and install your current application again.

If you are using windows 10, just type in “RESET PC” in the Cortana search bar(windows start button search) and select RESET PC from the results.

Then under the RESET PC, click on the get started button to proceed.

There are two options to keep your files and complete clean. (You must take backup of your desktop files, pictures, downloads, documents before proceeding to completely clean.)

After reset, you may do updates cleanly without any issue.

Still, have issues regarding Windows updates? Reach our Microsoft certified technicians in the chat.

Error 0X8007045B

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