
You can follow the on-screen wizard to complete the process. Then right-click the partition to be checked and select Check File System or Surface Test. You can check file system errors and bad sectors by using MiniTool Partition Wizard.ĭownload and install MiniTool Partition Wizard, and then launch it.

Besides, the error code 0x800703f9 can be caused by disk errors. Once done, restart your computer and check if the issue disappears. Then type the following commands and press Enter after each.ĭISM /Online /Cleanup-Image /RestoreHealth If the issue still exists, run Command Prompt as administrator again. In the prompted window, type sfc /scannow and press Enter. If the 0x800703f9 error is caused by corrupted system files, you can follow the steps below to run SFC and DISM commands. Once done, restart your PC and check if the issue is solved.

Open Virus & threat protection by searching it in the Windows Search tool. Follow the steps below to run virus scan. You can use Windows Defender to scan and remove malware or virus on your PC. Once done, reboot your PC and check if the error is repaired. Then follow the on-screen instructions to complete troubleshooting. In the pop-up window, click Windows Update and select Run the troubleshooter. Navigate to Settings > Update & Security > Troubleshoot > Additional troubleshooters. You can try running the Windows Update troubleshooter to fix the error code 0x800703f9.
