Why does 0x8007045B error appear when updating your Windows system? And then how to get rid of the error? If you want to know the answers, then you should read this post carefully. To fix other Windows Update errors, go to the MiniTool website.

The Windows system is the most popular operating system, but you may meet some problems when using the system, such as update error (0x80244022), activation error (0xC004C003), and BSOD. And this post will give you some methods to deal with the Windows Update error 0x8007045B.

Why does the 0x8007045B error appear when you update your Windows system? There are several causes: system file corruption, WU glitch, and third-party antivirus interference. Then how to fix the error? Try these methods listed below.

Method 1: Run the Windows Update Troubleshooter

Every time you encounter Windows Update errors, you should try to run the Windows Update Troubleshooter. It is a built-in feature that used to deal with different update errors. Therefore, to fix 0x8007045B error, running the Windows Update Troubleshooter may be helpful. Here is how to do that:

Step 1: Press the Win key and the I key at the same time to open Settings.

Step 2: Choose Update & Security and then click Troubleshoot.

Step 3: Click Windows Update in the right panel and then click Run the troubleshooter.

run the Windows Update Troubleshooter

Step 4: Follow the instructions showing on the screen to complete the troubleshooting process. Then restart your computer to check if the error is fixed.

Method 2: Perform DISM and SFC Scans

As we have mentioned above, the 0x8007045B error could be triggered by corrupted system files, therefore, you can run DISM and SFC tools to repair the files. Here is how to do that:

Step 1: Enter cmd in the search box, then right-click Command Prompt to choose Run as administrator.

Step 2: Type DISM.exe /Online /Cleanup-image /Restorehealth in the window and then press Enter. Wait until the process is completed.

Step 3: Type sfc /scannow in the window and then press Enter. Wait for the process to complete and then reboot your computer to check if the error disappears.

Method 3: Disable or Uninstall Third-Party Antivirus

Sometimes, the culprit of the 0x8007045B error is your third-party antivirus if you have installed one on your computer. To get rid of the error, you should try to disable it. And if disabling the antivirus software doesn’t work, then you need to uninstall it.

Method 4: Reset All Windows Services

If none of the methods can get rid of the update error 0x8007045B, then you can try to reset all Windows services. Now follow the simple guide to do that:

Step 1: Open Command Prompt as administrator as mentioned above.

Step 2: Type the following commands in the Command Prompt window, and remember to press Enter after typing these commands:

net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:WindowsSoftwareDistribution SoftwareDistribution.old
ren C:WindowsSystem32catroot2 Catroot2.old
net start wuauser
net start cryptSvc
net start bits
net start msiserver

Step 3: After that, try to update your system one more time to see whether the 0x8007045B error is fixed.

Related post: 7 Methods to Fix Update Error 0x80080008 on Win 7/8/8.1/10

Bottom Line

What will you do if you encounter the 0x8007045B error when you try to update your system? This post has listed 4 efficient methods for you. If you have any problems with the methods, leave a comment below and we will reply to you as soon.

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