Here is the complete error message: 0x800700b7 – 0x2000a… The installation failed in the SAFE_OS phase with an error during PREPARE_FIRST_BOOT operation.

What’s causing this 0x800700b7 – 0x2000a update error?

The 0x800700b7 – 0x2000a update error doesn’t have a single cause. It can arise because of any of the following factors:

Corrupted system files or image: There might be some corrupted system files causing the issue. Insufficient drive storage space for updates: Error 0x800700b7 – 0x2000a occurs because there isn’t enough drive space available for updates. A disabled Windows Update service: The Windows Update service is disabled and needs to be started. Conflicting third-party antivirus software: Some third-party antiviruses can interfere with the Windows update process. Issues with the update components: Some Windows Update components might be damaged or corrupted.

Applying potential resolutions that will likely address those causes can fix that issue. This is how you can resolve the 0x800700b7 – 0x2000a update error. Remember, there are a few other others, the 0x800700b7 provisioning error and the 0x800700b7 IIS (Internal Server Error) error, and 0x800700b7 (-2147024713), which are completely different from the one we are discussing.

How can I fix the 0x800700b7 – 0x2000a error in Windows 11?

Let’s go through some preliminary checks and actions:

Restart your PC. Maybe the update is simply stuck, and this simple solution might turn out to be the answer. Free ups some disk space. Check out our guide on how to free up disk space for further details. Disable your third-party antivirus and see if you can go with the update.

If you’ve got all these measures out of the way, proceed with the solutions below to fix the Windows Update error 0x800700b7 – 0x2000a.

1. Troubleshoot the error with Windows Update troubleshooter

2. Check the Windows Update service settings

3. Apply DISM and SFC scans

The DISM and SFC scans should fix any problems with your system. If not, refer to our guide on how to repair and restore corrupted system files for more solutions. Usually, using third-party software, such as Restoro, can help you perform this process more efficiently by scanning your PC for corrupt files and straightforwardly replacing them with new elements from its vault. SPONSORED ⇒ Get Restoro

4. Uninstall third-party antivirus tools

If you prefer not to remove a third-party antivirus tool, you can try disabling it. Right-click an antivirus tool’s system tray icon to look for and select an option for turning off its shied.

5. Reset update components

You can refresh the Windows update components by refreshing them. Our how-to reset update components guide includes instructions for how to do that by using a script. The procedure is a lot less invasive than resetting the whole system, and it will repair Windows Update.

6. Perform a clean boot

Fixing Windows update errors isn’t always a piece of cake. However, the potential 0x800700b7 – 0x2000a solutions above might work for some users, but maybe not all. If error 0x800700b7 – 0x2000a continues, consider resetting Windows or upgrading the platform with an ISO. To perform a reset, check out WR’s guide about how to factory reset Windows 11. You can discuss error 0x800700b7 – 0x2000a in the comment section below. You can add questions or even share other error 0x800700b7 – 0x2000a resolutions that might work.

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