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[Fixed] The File Cannot Be Accessed by the System in Windows 10/8/7

Updated on Dec 27, 2018 by Abby Haines to Resource


Cannot access your data because of The file cannot be accessed by the system with error 0X80070780? Here are full solutions to fix the issue in Windows 10/8/7 and recover or regain access to your files.

About "The file cannot be accessed by the system" error 0X80070780

Sometimes, when you trying to access some files or folders on the computer, external hard drive or other USB devices, "The file cannot be accessed by the system" message with error 0X80070780 might pop up and prevent you from doing that. The issue can happen in Windows 10/8/7 due to various reasons. 

1. System files corruption or missing
2. Hard disk errors or bad sectors
3. The file or directory is corrupted and unreadable
4. Unknown virus or malware infection

Fixes for "The file cannot be accessed by the system"

When the issue attacks, data recovery from external hard drive, USB drive or PC become a problem. But, don't worry! Here, we create a list of solutions to troubleshoot "The file cannot be accessed by the system" error in Windows 10/8/7. No matter you are suffering the error for what reasons, just try them one by one to find a fix and regain access to your files.

Method 1. Repair missing or corrupted system files using command prompt

One of the factors that might be responsible for "The file cannot be accessed by the system" with error 0X80070780 is system files corruption. So, please run System File Checker tool to scan for corruptions in Windows system files and restore corrupted files. If it is the problem, you will be able to access your data and no longer get the error message after repairing the system file.

1. Click Start, go to All Programs > Accessories, right-click Command Prompt, and then click Run as administrator.
2. At the command prompt, type the command "sfc /scannow" and then press Enter to continue.
3. The sfc /scannow command will automatically scan all protected system files and replace the incorrect versions with correct Microsoft versions. Just wait patiently to let the process complete.

Method 2. Check and repair bad sectors & disk errors

If the above method doesn't work, it suggests that system file corruption is not the reason that caused "The file cannot be accessed by the system" error. So, please take several minutes to check & repair hard disk errors and bad sectors with EaseUS free partition software. It is simple but helpful in solving error 0X80070780 if disk error is the cause.

Download and launch EaseUS free partition software, then:


Step 1: Open EaseUS Partition Master on your computer. Then locate the disk, right-click the partition you want to check, and choose "Check File System".

Check Partition - Step 1

Step 2: In the Check File System window, keep the "Try to fix errors if found" option selected and click "Start".

Check Partition - Step 2

Step 3: The software will begin checking your partition file system on your disk. When it has completed, click "Finish".

Check Partition - Step 3

Method 3. Recover data with third-party data recovery software

If "The file cannot be accessed by the system" error still exists after trying the above two methods, you may need to recover inaccessible data with third-party data recovery software. Here, EaseUS disk data recovery is ready to help at any time. It provides full compatibility with Windows 10/8/7 or other Windows versions.

The overall steps to recover lost data:

Step 1. Launch EaseUS Data Recovery Wizard on your computer. And then, select a location, which can be on a hard disk drive, an external USB flash drive/micro SD card or a specific folder on Desktop or somewhere else. Click on the Scan button.

select a location

Step 2. You'll see more and more data is showing up during the scan. You can check the "Deleted files" quick result during the scan if it's for deleted file recovery. 

scan lost data

Step 3. Click "Filter" to quickly filter photos, documents, videos and other specific types of files. And lastly, select the wanted data and click on the Recover button.

select data and click recover