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How to fix error 80070490 on all Windows versions

5 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Whenever you useWindows UpdateorMicrosoft Updateto installupdateson your computer, you may encounter some errors in the process.

One of these iserror 80070490, which arises if the Component-Based Servicing (CBS) manifest is corrupted.

This is normally caused by inconsistencies in the operating system and is a serious hint toward an unstable system (in some cases it may be caused by afaulty hard drive).

It indicates a corrupted system file, so you need to perform an in-place upgrade or reinstall the operating system as the CBS manifest is corrupted.

Without further ado, check out some solutions you can use for different Windows operating systems including Windows 8.1, 7, Vista and XP to fix error 80070490.

Steps to fix Windows error 80070490

1. Use System File Checker to repair damaged Windows files

ASystem File Checkerscan checks or scans all protected system files, and then replaces the incorrect versions, with the genuine, correct Microsoft versions.

Here’s how to do this:

Restart your computer and try to installupdatesagain.

If usingSystem File Checkerdoesn’t help you fix error 80070490, try the next solution.

2. Run System Update Readiness tool

If you still cannot fix error 80070490 after anSFCscan, then use the System Update Readiness tool to fix Windows corruption errors, then install theWindows updateor service pack again.

This tool is used because inconsistencies are found in the Windows servicing store, which may prevent the successful installation of futureupdates, service packs, and software.

It checks your computer for such inconsistencies and tries to resolve issues if found.

If running the System Update Readiness tool doesn’t help you fix error 80070490, try the next solution.

3. Run DISM tool

The Deployment Image Servicing and Management (DISM) tool helps you to fix Windows corruption errors whenWindows Updatesand service packs fail to install due to corruption errors, like if you have a damaged system file.

Once the repair is complete, reboot your computer and check if the problem persists, after which you can run anSFCscan as described in the next solution.

If running the DISM tool doesn’t help you fix error 80070490, try the next solution.

4. Manually reset Windows Updates components

Disclaimer:this solution contains steps that are part of modifying the registry. Please note that serious problems may occur if you do this incorrectly. Ensure you follow these steps correctly, and carefully.

Back up the registry before you modify it, then restore it if a problem occurs.

Follow these steps to manually reset theWindows UpdatesComponents:

Try runningWindows Updatesagain to check if you manage tofix error 80070490 on your computer.

If you get ‘Access Denied’ when trying this step, do the following:

Once you complete the process, go to Services window again and startWindows Updateservice, then restart the computer.

Did any of these solutions help you fix error 80070490 on your computer? Let us know your experiences by leaving a comment in the section below.

How to fix error 80070490 on all Windows versions#

Steps to fix Windows error 80070490#

1. Use System File Checker to repair damaged Windows files#

2. Run System Update Readiness tool#

3. Run DISM tool#

4. Manually reset Windows Updates components#