6 Ways to Fix an Error 0x8007003b on Windows 11 and 10

AKA a network file copy error

Getting a 0x8007003berror while copying a file from your Windows 11 or Windows 10 PCto a network location? Chances are your target disk’s file format is incompatible with your file, or your PC’s firewall has blocked your file transfer. We’ll show you multiple ways to fix this problem on your computer.

You can also have trouble copying your file because your target disk has file system errors, your antivirus thinks your file is a potential threat, your Windows system files are corrupt, and more.

1.Change Your Target Disk’s File Format

If you’re trying to transfer a file larger than 4 GB, ensure the target disk doesn’t use FAT32 format. This is because the FAT32 format only supports files up to 4 GB; the disk won’t accept files larger than that, causing your transfer to fail.

You can verify if that’s the case by checking the disk’s file format as follows:

If you have to save a file larger than 4 GB on your disk,compress your fileto bring the file size under the allowed limit. You can use a free file archiver tool like 7-Zip to compress your files.

If you don’t wish to compress your file, you canmake your target disk use a file formatthat supports file sizes over 4 GB. NTFS is such a format, and you can use it for your target disk. Note that you’ll lose all the existing data stored on your disk when you change your disk’s file format. Back up the required files to a safe location on your device before proceeding.

After formatting the disk, you can store files larger than 4 GB on your disk.

2.Fix Your Disk’s File System Errors

Another reason you get an error 0x8007003b while transferring your files is because your destination disk has file system issues. These problems occur for various reasons, and one way to fix them is touse Windows’ built-in disk checker.

Windows includes a disk checker tool that you can use to find and fix all the file system problems on your disks.

3.Check Your Windows PC for Viruses and Malware

A virus or malware can cause hindrance in your file copying tasks, sometimes causing your transfers to fail. In this case, you can use Windows’ built-in antivirus tool to find and remove all the threats from your machine.

4. Fix an Unexpected Network Error by Disabling Your Antivirus and Firewall

Sometimes, your antivirus program or firewall detects your file or connection as a potential threat,blocking your access to that item. False-positive reports aren’t uncommon, which may be the case with your file transfer task.

In this case, temporarily turn off your antivirus and firewall tools to resolve your issue. You can turn these items back on when you’ve copied your files.

5.Fix Windows’ Corrupted System Files

Windows’ faulty core files can cause many system features not to work, including the file copying feature. These core files go corrupt for various reasons, including viruses and malware.

One way to fix those files is touse Windows’ built-in SFC (System File Checker) tool. This tool automatically detects the faulty files on your system and fixes those files.

6. Fix Error Copying Files by Using a Restore Point

If you started seeing a 0x8007003b error after making a specific change to your PC, that change might have caused the issue. Additionally, your installed apps may have made some changes to your system, one of which may be causing your problem.

In this case, you canroll back your system to a point in the past, undoing your changes and fixing the issue caused by those changes.

Many Ways to Resolve a Network File Copy Error on Windows

Windows error code 0x8007003b prevents you from copying your files to your intended network location. Many items can cause this problem. If you can’t copy your files despite multiple attempts, use the above methods to resolve all issues.

You can then transfer all your files to your chosen network drive without errors.

Mahesh has been obsessed with technology since he got his first gadget a decade or so ago. Over the last few years, he’s written a number of tech articles on various online publications including but not limited to MakeTechEasier and Android AppStorm.Read Mahesh’s Full Bio

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6 Ways to Fix an Error 0x8007003b on Windows 11 and 10#

1.Change Your Target Disk’s File Format#

2.Fix Your Disk’s File System Errors#

3.Check Your Windows PC for Viruses and Malware#

4. Fix an Unexpected Network Error by Disabling Your Antivirus and Firewall#

5.Fix Windows’ Corrupted System Files#

6. Fix Error Copying Files by Using a Restore Point#

Many Ways to Resolve a Network File Copy Error on Windows#