Steps to Fix Windows Update Error 0x8007045A

It is a very annoying situation sometimes that you get error messages in your Windows computer. The error may come to your many times in various consequences. You may get errors while downloading, installing apps, updating your computer, accessing some programs etc. In the same way, you may get Windows update error 0x8007045A in your computer if you try to update the Windows with the help of the automatic Windows update service. The error may come due to internet disconnection or due to miscommunication between the computer and the Windows update service. Therefore, you should fix this issue very soon with the help of the manual or automatic methods. You can use Advanced System Repair Tool to fix the issue automatically.


{Compatible with Windows 8, 7, XP, ME, Vista, 98, 2000 (32/64)
File Size: 4.9MB Download Time: <(dsl, 2sec, dialup 2min)>}

Symptoms of update error 0x8007045A in Windows –

There are many symptoms you may see in your computer after the occurring of Windows update error 0x8007045A. Some of the common symptoms are automatic shutdown of the computer, slow performance of the system, unable to install or uninstall any files or apps, system sticking, unable to update the Windows, severe data loss, screen freezing, blue screen of death error occurring, etc.

Causes of the Windows update error 0x8007045A –

There are many reasons behind the occurring of the update error 0x8007045A in your computer like incomplete installation of the Windows operating system, missing or corrupt DLL files, corruption of the Msxml.dll file, misconfigured system files, incorrect registry entries, improper communication between the computer and the Windows update service, internet disconnection, unfinished uninstalling of some files, installing of infectious or corrupt apps, etc.

How to fix Windows update error 0x8007045A –

You can easily fix Windows error 0x8007045A in your computer with the help of the following manual steps:

  1. First of all copy the files dll, msxml3a.dll, msxml3r.dll from the C:/Windows/System of a working computer on your computer.
  2. Now you should register the files on the computer.
  3. Click on the start button and then click on the run
  4. Type REGSVR32 C:/WINDOWS/SYSTEM/MSXML.DLL and press on OK
  5. You will get a message of successful registration.
  6. Now repeat the above steps with the following files.
  • C:/WINDOWS/SYSTEM/MSXML2.DLL
  • C:/WINDOWS/SYSTEM/MSXML3.DLL
  1. Restart the computer now.

At the end of the above manual method, you will get that the Windows update error 0x8007045A is removed from the computer and the updating process gets completed properly. But you should also keep it in your mind that the manual process needs a sound technical knowledge. So, you can install Advanced System Repair Tool to fix the issue automatically.


{Compatible with Windows 8, 7, XP, ME, Vista, 98, 2000 (32/64)
File Size: 4.9MB Download Time: <(dsl, 2sec, dialup 2min)>}

Advanced System Repair Tool is a dynamic and most powerful tool to fix the Windows errors automatically. The tool will start scanning the whole computer after launching and find out the errors to remove them completely. It will also enhance the computer performance by removing virus, junk files, duplicate files, malwares, etc.


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