Scan your computer for malware

1. Plug the affected USB into your computer.
2. Open the Settings app by clicking on the gear icon in the Start menu. Alternatively, you can open the app by pressing down the Windows and I keys on your keyboard.
3. Click on the Update & Security tile.
4. Switch to the Windows Security tab from the menu in the left pane, then click on the Open Windows Security button.
5. Click on Virus & threat protection → Scan options. Here, select Custom scan and click on the Scan now button to begin the process.
6. Select the correct drive using the left panel, then click on the Select Folder button to begin the scan.
7. Follow any on-screen instructions shown to you during the process of the scan. if any malicious files are found on the drive, you can remove them with the help of Windows Defender.

Use the Command Prompt

1. Press the Windows + R keys on your keyboard. This is going to bring up the Run utility.
2. Type in “cmd” and press the Ctrl + Shift + Enter keys on your keyboard. Doing so, you’re launching the Command Prompt with administrative permissions.
3. If prompted by the User Account Control (UAC), click Yes to allow the Command Prompt to make changes on your device. If you don’t have administrative permissions, you might need to ask for help from your admin.
4. Type in the following command then adjusts it accordingly to the instructions below. Once done, hit Enter to execute it: format C: /fs:ntfs
5. If successful, your drive should be formatted to your needs now.

Use Disk Management

1. Press the Windows and X keys on your keyboard at the same time to open the Start menu’s context menu. Here, click on Disk Management.
2. Right-click on the drive you want to format, then select Format from the context menu.
3. Pick a Volume label and the desired File System, but leave the Allocation unit size as Default.
4. To check for any drive issues, uncheck the Perform a quick format option. Note that this will make the process significantly slower.
5. If the formatting is successful, your drive should be formatted properly now.

Check and fix Disk Errors

1. Open the File Explorer, and click on This PC from the panel on the left side of the window.
2. Right-click on the drive affected by the error, then choose Properties. A new window should pop up on your screen.
3. Switch to the Tools tab.
4. Click on the Check button, found in the Error-checking section.
5. In the new window, click Repair drive to begin the scanning process. If Windows 10 finds any damage or errors on the drive, it’ll let you know and attempt to fix them.

Use Diskpart

1. Press the Windows + R keys on your keyboard. This is going to bring up the Run utility.
2. Type in “cmd” and press the Ctrl + Shift + Enter keys on your keyboard. Doing so, you’re launching the Command Prompt with administrative permissions.
3. If prompted by the User Account Control (UAC), click Yes to allow the Command Prompt to make changes on your device. If you don’t have administrative permissions, you might need to ask for help from your admin.
4. Type in the following command then adjusts it accordingly to the instructions below. Once done, hit Enter to execute it:
   • diskpart
   • list disk
   • list volume
   • select volume <no>
   • format

Here you have to replace <no> with the number of the volume that you wish to format.