Windows 10 file transfer stuck at 99%? Here’s the fix!

Updated By

Sherly 

Written By

Linda 

Last Updated on April 22, 2024

If you're experiencing the file transfer stuck at 99% issue on Windows 10, try these helpful solutions.

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File transfer or copy stuck at 99%

"In Windows 10, I have noticed that while trying to copy/move files, especially large files over 10 GB to or from any USB external hard drive, the transfer process gets stuck at 99%. After a few minutes, it completes the remaining bytes. But sometimes, it's even worse – I have to wait for ages! What causes this issue and how can I effectively fix the problem of Windows 10 getting stuck at 99% while copying, moving, or deleting files?"

We bet that, aside from a Blue Screen of Death (BSoD), the last thing you want to see is a stuck progress bar at 99%.

Be it copying, transferring, deleting data, or uploading and downloading files, a progress bar can get stuck at 99%. So, why does file transfer get stuck at 99%? How to fix the Windows 10 copy stuck at 99% or remaining 5 seconds issue? Let's find out.

Quick Fix for Files Stuck at 99% While Transferring in Windows 10

One reason file transfers appear to stall at 99% is that the progress bar is actually a prediction, which can be overly optimistic. The actual transfer might be only 79% or 89% complete. Other culprits include antivirus software, file caching, insufficient memory, and computer performance.

If file copy gets stuck at 99% due to any of these reasons, try the quick fixes first. If they don't work, proceed with the advanced solutions.

1. Compress the file before transferring it.

2. Keep only one antivirus program on your computer and uninstall any extra software that might be draining your system's resources.

3. Scan and remove any suspicious malware or viruses.

4. Clean up unnecessary files and icons on your desktop, and avoid installing too many software programs on the C drive.

If you're still experiencing slow file transfer or deletion issues in Windows 10, don't fret. Try a more effective solution.

Advanced Solutions for the Windows 10 File Transfer Stuck at 99% Issue

When copying files on Windows 10, the larger the file, the longer it takes. However, sometimes the transfer speed is incredibly slow, stuck at 99% for a long time, making it seem like the process will never finish. To address the issue of Windows file transfer getting stuck at 99%, try the most practical methods outlined below.

Read More: How to Find and Delete Large Files on Windows 10

1. Free up space on Windows 10

Insufficient storage space could be one of the main reasons why file copying keeps stopping and getting stuck at 0%, 10%, 40%, 60%, 90%, or 100%. You can use a simple file cleaner called CleanGenius to help you clean up your system and large files, speeding up and optimizing your computer for high performance.

It works great whether the issue is about Windows 10 freezing when copying files or the copy process not proceeding at all.

Step 1: Download and install AOMEI Partition Assistant Suite.

Step 2: Click on PC Cleaner to install the CleanGinus tool. Then click “Clean” and then “Scan” to begin cleaning your system and restoring your computer to its original condition.

Step 3: The software will scan your computer and list the idle data files that are taking up a lot of disk space. You can choose to remove unwanted large files, system junk files, and invalid Windows entries, then click on “Clean” to start the cleanup process.

4. After the scan is completed, click “Finish” to clean up system junk files.

2. Optimize the hard drive to resolve issues with file transfers getting stuck at 99%

Aside from freeing up space to speed up data transfer, another solution to fix a file that gets stuck at 99% is to optimize the hard drive, which can help your computer's drive function more efficiently.

Step 1: Right-click on any drive in This PC and select Properties.

Step 2. Click the “Tools” tab and select “Optimize.”

Step 3: Select all the drivers and click “Analyze” or “Optimize.”

3. Enable Write Cache Setting in Windows 10/8/7

A hidden storage device setting in Windows can affect the speed of file copying/moving/transferring. To speed up file transfer to/from a hard drive or USB, you can disable the write caching feature by following these three steps.

Step 1: Press Windows + X to open the menu, and then choose Device Manager from the list.

Step 2. Open Device Manager, find the specific drive that was having issues during the file copy, and double-click it.

Step 3: Go to the Policies tab, and select “Better performance.” Check the box for “Enable write caching on this device.” Click OK to save your changes.

4. Disable Thumbnails in File Explorer

When you save files, File Explorer generates thumbnails for each file, which can impact transfer speed. You might try disabling thumbnails to resolve issues like Windows 10 file transfer stuck at 99% with 5 seconds remaining.

Step 1: Open File Explorer and click “View” in the top toolbar.

Step 2: Double-click on “Options” in the dropdown pane to open the Folder Options window.

Step 3. Click “View,” then check “Always show icons, never thumbnails” > “Apply” > “OK.”

5. Disable remote differential compression

Remote Differential Compression allows users to copy data using compression techniques. You can turn this feature off to fix the Windows 10 stuck copying file issue.

Step 1: Type Turn Windows features on or off in the search box, and open the window.

Step 2: Clear the Enable Remote Differential Compression API Support check box, and then click OK to apply the setting.

In short

This tutorial covers the most common methods to fix Windows 10 file transfer getting stuck at 99%. These effective solutions can notably improve file copying speed in Windows 10. If you still have any issues, please feel free to contact our technical support team via email (techsupport@tools.com) or live chat.

In addition to cleaning up system junk files, optimizing disk performance, enabling write caching, disabling thumbnail generation, and turning off remote differential compression, you can try the following methods to boost file transfer speed on your computer:

• Set the correct file system format for the storage device.
• Extend the partition to provide sufficient space for storing and transferring files.
• Change the cluster size of the hard drive.
• Align SSD disks to 4K for optimal performance.
• Check and test the speed and health status of the disk.

If you need help with any of these operations, download Partition Master, which will lend you a hand with its powerful features to satisfy all your needs.

Frequently Asked Questions (FAQs) About File Transfer Cards: 99% Covered

A file transfer getting stuck at 99% is not a new issue. If you're one of those who still have questions about it, read on and find the answers below:

**1. Why is my file transfer taking so long?**

There are many factors that can affect file transfer speed, causing it to take longer than expected. These include:

Incompatible file system on the target storage device. Insufficient free disk space on either the source or target storage device. Outdated drivers or issues with the server-client. Virus or malware infection.

2. How do I move a file that won't budge?

• Remove any suspected viruses or malware from your computer.
• Safely eject the storage device from your computer before stopping the file transfer.
• Reconnect the device to your computer, and then try moving the files again using drag-and-drop or copy-paste.

3. How can we speed up file transfers?

• Set the connected file system to the format of the target storage device.
• Remove viruses and malware.
• Compress large files before transferring them.
• Extend and allocate sufficient storage space on both the target and source devices.
• Fix Ethernet or network issues.
• Close or end running programs and tasks that are unnecessary.