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Fix Unspecified Error When Copying File or Folder on Windows 10

Updated on May 29, 2018 by Tracy King to Resource


Do you know how to resolve the issue that when you are trying to copy a file or folder to a target disk partition on Windows 10 when an error message suddenly popped up, warning you ‘Error Copying File or Folder’ with unspecified error? This tutorial article will show you how to effortlessly remove the unspecified error while copying file or folder on Windows 10 without losing any data.

Met 'Error Copying File or Folder' with Unspecified Error on Windows 10, how to fix?

"Hi guys, do you know how to resolve the problem when you are trying to copy a file or a folder to a target partition on your PC when an error message pop up and warn you with an unspecified error of copying file or folder? 
Yesterday, I was trying to copy a file folder with about 2GB of files to the F: drive. But when I click Paste, the computer warned me that I couldn’t copy files to the destination partition with ‘Error Copying File or Folder’ warning message. I’m now using Windows 10, by the way.
So is there a way that can help me resolve this issue so that I can copy and save my files on target partition or hard drive? How?

Error: copying files or folder with unspecified error.

The unspecified error - 'Error Copying File or Folder' issue may occur to any users under Windows 10/8/7 etc. while you are trying to copy and paste files to a new location. So what’s the reason that blocks you from copying files or folder to destination device?

Causes of Unspecified Error - Error Copying File or Folder on Windows 10?

If you don’t know how or what caused the unspecified error of copying file or folder on your Windows computer, you may check a list here in the below to find out the cause of your current problem:

1. Copied files are larger than 4GB: if the copied files are larger than 4GB to a FAT32 partition such as USB or SD, you’ll be blocked by this error message.
2. The disk is write protected: If the destination partition or drive is read-only, write-protected, no data can be written in.
3. The Target disk has not enough free space: if there is not enough free space and the files that you want to copy is very large, the data copy won’t be completed.
4. Target disk is corrupted, or the file is encrypted.
5. System limitation.
6. File or folder ownership changed.
7. Other reasons.

How to Fix 'Error Copying File or Folder' Issue without Losing Data?

Don’t worry if you’ve encountered this error and couldn’t copy files or folder to the destination device or hard drive. Just follow and find solutions here in the below now:

Note: When you meed file copying failure error with unspecified data error, please make sure that the data saved on your original disk are safe. But if you've lost some precious files in the file or folder copying process, please follow Step 1 to restore and extract data from the hard drive or partition firstly.

Part 1. Restore and Extract Data from Had Drive Partition with Unspecified error of copying file or folder

If you have important data on the destination hard drive partition or storage device with unspecified error of copying file or folder, relax. You can directly follow method here in Part 1 to extract and restore data from the device before you start fixing ‘Error Copying File or Folder” issue on it with powerful hard drive data recovery software

Here we’d like to recommend you try EaseUS Data Recovery Wizard which allows you to directly scan and find all existing or losing files and data on the hard drive and extract to another safe location on your PC by simple clicks. You can just download this software and apply it to find and extract data from your current hard drive partition which contains unspecified error now:

Step 1. Run EaseUS data recovery software - Data Recovery Wizard and select hard drive partition or device which contains ‘Error Copying File or Folder’, then click "Scan".

Extract data from device with 'Error Copying File or Folder'.

Step 2. EaseUS Data Recovery Wizard will start a quick scan to find existing data and deleted files.
After the quick scan, a deep scan will automatically start to find more hidden files and data on the target drive.

Fix 'Copying File or Folder' with unspecified issue on Windows 10.

Step 3. Preview and restore files from the selected hard drive or location.
You can preview found data, activate EaseUS file recovery software and select the lost files, then click "Recover" to save them to another safe spot on your PC/storage device.

Fix unspecified error of 'error copying file or folder' without losing data.

Part 2. Remove ‘Error Copying File or Folder’ with Unspecified Error on Windows 10

After extracting all useful data and files from your destination hard drive partition, you can follow available methods provided here in the below to remove the unspecified error of ‘Copying File or Folder’ now.

Method 1. Format target partition/disk to NTFS or exFAT

If the files that you want to copy is more than 4GB, you can compress the file with WinRAR or ZIP so to get a smaller file. But if this doesn’t work or if the destination device offers no access for you to reach with ‘The parameter is incorrect’ message, you can directly format the target partition or disk to NTFS so as to free up space for saving copied files and data with a faster file copying speed.
You can refer to format hard drive in Windows 10 to see how to free up hard disk drive by formatting target partition and converting the file sytem to NTFS or exFAT. 

Method 2. Extend hard drive partition contains unspecified error

If the unspecified error of copying file or folder caused by not enough free space on target hard drive partition, you can directly apply free partition manager software to extend hard drive partition to resolve this issue by simple clicks.

Method 3. Remove write-protection on target disk or hard drive

If your device was write-protected when you came into the ‘Error Copying File or Folder’ on your computer, you could follow tips here to remove the write-protection on your device now:
1. Press Windows + R keys to bring up Run dialog, type: Regedit and hit Enter.
2. Click Yes if the UAC prompt.

Bring up registry to fix unspecified error on hard disk.

3. Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control on the left pane of Registry Editor.

Fix unspecified error on write protected device.

4. Find out StorageDevicesPolicies and open it, right-click the empty area on the right side, and select New and DWORD (32-bit) Value.
5. Then change its name to WriteProtect.
6. Double click on the WriteProtect key and enter 0 in the Value data box and click OK.

After this, you should be able to use your target hard drive partition to copy and save files and folder without any problems now.