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7 Free Ways to Fix Windows Was Unable to Complete the Format

Disk formatting is effective in cleaning out disc partition files. It is what we do most of the time when we’re emptying a hard drive or a portable disc. When formatting a detachable disk. Windows occasionally prompt us with the message “Windows was unable to complete the format,” as seen in the figure below.

message windows was unable to complete the format
In general, partition formatting in Windows is relatively straightforward and takes only a few seconds to finish. First, Right-click on the drive you wish to format, then pick “Format” from the drop-down menu.

Please pay attention to this article since it explains the causes of “Windows was unable to complete the format.” It provides step-by-step solutions. It also explains how to restore data from USB drives that are unable to be formatted.

Table of Contents
Source of Windows Unable to Complete Format Error
We want to discuss the various causes of the “Windows was unable to complete the format” error before moving on to the solutions. As a result, users may able to prevent encountering such an issue. Windows was unable to complete the format due to the following five factors:

  1. The Drive Is Write Protected
    Furthermore, Windows is unable to format a write-protected drive. Therefore, when a USB drive is correctly attached to a computer and you begin to copy documents, it generates notifications. “The disc has a write protection feature.

Disable the write protection or switch to a different drive.” Because formatting is a type of writing operation, you must first remove the write protection.

  1. The Drive Has Bad Sectors
    There are faulty sectors on storage devices. As we all know, storage devices are made up of sectors, which are the smallest unit of data storage. Discontinuous sectors are frequently occupied by files on a hard drive or a USB device.

A bad sector has been damaged and cannot be read or written. As a result, bad sectors can cause problems with formatting and file recovery.

Bad sectors can be caused by various factors, including poor quality, excessive defragmentation, and unplugging a USB device while it is still in use.

  1. The Drive Is Physically Damaged
    Another factor that makes a storage device inaccessible is physical damage. Physical damage to any component of a USB device or local disc is unavoidable. If the computer can’t use the device because the chip or circuit board isn’t working, it won’t format it.


  • The Registry is an obscure but vital component of the Windows operating system. Corruption of the registry causes a slowing down of the system often attributed to a virus. Hundreds of dollars can be saved with a little application designed to fix Windows registry errors and corruption. Windows was Unable to Complete the Format

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