Error code 80070490 is a Windows 8 error code that typically occurs when a user is trying to install or update a Windows 8 app. There can be a number of reasons why this error code occurs, but the most common reason is that the user's computer is not connected to the Internet. This error code can also occur if the user's computer is not connected to the Windows Store, or if the user's account does not have permission to access the Windows Store.
1. Restart your computer and try again
- Open the Start button and type "cmd" into the search bar
- When the Command Prompt window appears, type "restart" and press Enter
- After your computer restarts, press F8 to open the boot menu and select "reboot"
- After your computer restarts, press R to open the Recovery console and type "bcdedit /set {default} bootstatus=failure"
- After your computer restarts, press Enter to start the Recovery console and type "bcdedit /set {default} bootstatus=reboot"
- After your computer restarts, type "exit" to exit the Recovery console and restart your computer
2. Check for updates and install any available updates
- Open Windows Update by clicking on the Start button and type "Windows Update" in the search box.
- Click on the "Check for updates" button.
- If there are any updates available, you will be prompted to install them.
- Once the updates have been installed, restart your computer.
- If the error code 80070490 still occurs, please follow the instructions below.
- To fix the error code 80070490, you will need to reset the Windows 8 operating system. This can be done by going to the start menu, clicking on "settings", and then clicking on "system."
- In the "system" window, click on "reinstall your operating system."
- Follow the instructions on the screen to complete the reset.
3. Run the Windows 8 System File Checker tool
- Open the Microsoft Windows 8 System File Checker tool.
- Click on the "Start" button and type "systemfilechecker" in the search box.
- Click on the "System File Checker" tool that appears in the search results.
- Click on the "Check Now" button to run the tool.
- If the tool finds any errors, it will display the corresponding error code and a description of the error.
- Click on the "Fix Errors" button to try to fix the errors.
- If the errors cannot be fixed, you will need to install the latest updates for Windows 8.
4. Run the Windows 8 Component Store Corruption Repair tool
- Open the Command Prompt (Windows 8) or Powershell (Windows 7/Vista/2008)
- Change to the folder where the Windows 8 Component Store Corruption Repair tool is located
- Type "msiexec.exe /package {insertpackage} /upgrade"
- If prompted, provide the administrator password for the computer
- Click OK to accept the license agreement
- Type "msiexec.exe /quiet /norestart" to close the Command Prompt or PowerShell window
- Restart the computer
5. Reset Windows 8
- Boot your computer into Safe Mode with Networking.
- Stop all services except for the Windows Update service.
- Click Start and type "regedit" in the search bar.
- Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WUDFHost\Parameters
- Delete the DWORD value "StartMode" and reboot your computer.
- Restore the StartMode value to its original value and reboot your computer.
- Start the Windows Update service.
- Try to install the Windows 8 operating system again.