How to fix system files integrity check and repair error code 0x490?

The system files integrity check and repair error code 0x490 happens when the Boot Configuration Data (BCD) store is corrupted. The BCD is a database that stores boot configuration settings and controls how the operating system is started. When the BCD is corrupted, the operating system can't be started, which is why this error code occurs. There are a few ways to fix this error, but the most common is to use the Bootrec.exe tool to rebuild the BCD.

• Restart the computer in Safe Mode and run System File Checker
• Run the Bootrec.exe tool
• Run the Sfc /scannow command
• Run the DISM.exe tool

1. Restart the computer in Safe Mode and run System File Checker

To restart the computer in Safe Mode:

1. Click the Start button.
2. Click the Shut Down button.
3. Click the Restart button.
4. When the computer restarts, choose Safe Mode with Networking from the Windows Advanced Options menu.
5. Click the OK button.
6. When the computer restarts, run System File Checker from the Windows Accessories menu.
7. If System File Checker finds any corrupted or missing system files, it will display an error code and offer to repair them. Click the Repair button.

2. Run the Bootrec.exe tool

Bootrec.exe is a tool that can be used to fix system files integrity check and repair error code 0x490. To use Bootrec.exe, you first need to open the command prompt. Next, you need to type the following command: bootrec /fixmbr This command will launch the Bootrec.exe tool and will ask you to specify the path to the Windows installation disc. Next, you need to type the following command: bootrec /fixboot This command will launch the Bootrec.exe tool and will ask you to specify the path to the Windows installation disc. Next, you need to type the following command: bootrec /fixbcd This command will launch the Bootrec.exe tool and will ask you to specify the path to the Windows installation disc. Next, you need to type the following command: bootrec /scanos This command will launch the Bootrec.exe tool and will scan your system for missing or corrupted system files. Finally, you need to type the following command: bootrec /fixboot This command will fix the system files and reboot your computer.

3. Run the Sfc /scannow command

The following steps need to be followed in order to run the Sfc /scannow command:

1. Open an elevated command prompt.
2. Type Sfc /scannow and press Enter.
3. The Sfc /scannow tool will scan for missing or corrupt system files and will attempt to repair any errors that are detected.
4. If the Sfc /scannow tool is unable to fix any system files errors, it will generate a report detailing the errors that were found.
5. If necessary, users can then use the Sfc /scannow tool to manually repair any system files that were not successfully repaired by the Sfc /scannow tool.

4. Run the DISM.exe tool

1. Open a command prompt window.
2. Change directory to the location of the DISM.exe tool.
3. Type the following command: Dism.exe /Online /Cleanup-image /CheckHealth /ScanHealth
4. If the tool finds any errors, it will display the error code and a list of the system files that were affected.
5. You can repair any errors that were found by running the DISM.exe tool again with the /Fix option.
6. To finish, type the command Dism.exe /Online /Cleanup-image /RestoreHealth to restore the system files integrity.

Still not working? maybe try one of these options:

1. Restore the computer to a previous restore point.
2. Reinstall Windows.