One of these is error 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 a faulty 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

A System File Checker scan 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:

Click Start Go to the search field box and type CMD

Select Command Prompt Right-click and select Run as Administrator

Type sfc/scannow

Press Enter

Restart your computer and try to install updates again. If using System File Checker doesn’t help you fix error 80070490, try the next solution.

2. Run System Update Readiness tool

If you still cannot fix error 80070490 after an SFC scan, then use the System Update Readiness tool to fix Windows corruption errors, then install the Windows update or service pack again. This tool is used because inconsistencies are found in the Windows servicing store, which may prevent the successful installation of future updates, service packs, and software. It checks your computer for such inconsistencies and tries to resolve issues if found. SPONSORED

Download the System Update Readiness tool by clicking the download link that corresponds to the version of Windows running on your computer. The tool is regularly updated so always download the latest version (check if your computer runs 32 or 64-bit of Windows). Click Download on the Download Center webpage

Install by clicking Open or Run then follow the instructions on your screen In Windows Update Standalone Installer dialog box, click Yes. The tool runs automatically for about 15 or more minutes so don’t click Cancel. Once it says Installation Complete, click Close Reinstall the update or service pack you were trying to install previously

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 when Windows Updates and service packs fail to install due to corruption errors, like if you have a damaged system file.

Click Start In the search field box, type CMD Click Command Prompt in the search results list

Type Dism /Online /Cleanup-Image /ScanHealth to scan for missing components Type Dism /Online /Cleanup-Image /CheckHealth to check for missing or broken files Type Dism /Online /Cleanup-Image /RestoreHealth to scan and correct any causes of the Windows 10 desktop is slow to load issue Press Enter

Once the repair is complete, reboot your computer and check if the problem persists, after which you can run an SFC scan 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 the Windows Updates Components:

Right-click Start Select Command Prompt (Admin)

Click Yes when asked for permissions Stop the BITS, Cryptographic, MSI Installer, and Windows Update Services by typing the following commands at a command prompt: net stop wuauserv net stop cryptSvc net stop bits net stop msiserver Press Enter after each command you type Rename the SoftwareDistribution and Catroot2 folder by typing the commands below in the Command Prompt then press Enter after each command you type: Ren C:WindowssoftwareDistribution SoftwareDistribution.old Ren C:WindowsSystem32catroot2 Catroot2.old Restart the BITS, Cryptographic, MSI Installer, and Windows Update Services by typing the following commands in Command prompt: net stop wuauserv net stop cryptSvc net stop bits net stop msiserver Type Exit in the Command Prompt to close it

Try running Windows Updates again to check if you manage to fix error 80070490 on your computer. If you get ‘Access Denied’ when trying this step, do the following:

Log in first as administrator or use administrator user account Stop the Windows Update service and try to rename SoftwareDistribution folder Right-click Start Select Run

Type services.msc and press OK or enter

Scroll down and locate Windows Update service

Right click and select Properties

Click Stop to stop the service

Follow the steps again to reset Windows Update Components

Once you complete the process, go to Services window again and start Windows Update service, 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.

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