If you desire to manually partition / format my USB Flash drive in a correct way, please follow the steps below:

1) Hit Start, type "command" and you'll see "Command Prompt" listed as the main result. Right-click that result and choose "Run as administrator"

2) Type the following command and press Enter:

diskpart

3) On this step, you should select the correct disk number for your USB flash drive and enter the disk number instead of [Your Disk Number] without the square brackets. For selecting the correct disk number, please pay attention to the disk Size section. Type the following bold commands and press Enter after the command:

Microsoft DiskPart version 6.2.9200
Copyright (C) 1999-2012 Microsoft Corporation.
On computer: KJONES-WIN8
DISKPART> list disk
  Disk ###  Status         Size     Free     Dyn  Gpt
  --------  -------------  -------  -------  ---  ---
  Disk 0    Online          931 GB      0 B        *
  Disk 1    Online           29 GB      0 B
  Disk 2    Online          980 MB      0 B
DISKPART> select disk [Your Disk Number]
Disk [Your Disk Number] is now the selected disk.
DISKPART> clean
DiskPart succeeded in cleaning the disk.
DISKPART> convert mbr
DiskPart successfully converted the selected disk to MBR format.
DISKPART> create partition primary
DiskPart succeeded in creating the specified partition.
DISKPART> select partition 1
Partition 1 is now the selected partition.
DISKPART> active
DiskPart marked the current partition as active.
DISKPART> format quick fs=fat32
  100 percent completed
DiskPart successfully formatted the volume.
DISKPART> assign
DiskPart successfully assigned the drive letter or mount point.
DISKPART> exit