Can't copy large files to AirPort Disk Using Windows 7

Hi Everyone,
I'm positng because I'm unable to copy large files to an AirPort Disk using Windows 7. I have the following setup.
AirPort Extreme:
- Firmware version: 7.6.1
- Airport disks secured by password
- No guest access allowed
- Airport Disk Preferences:
- Automatically discover airport disks is enabled
- Show Airport Disks in the system tray is enabled
External Drive:
- Western Digital 500 GB MyBook External Drive connected to Airport Extreme thru USB
- FAT32 Formated
Computers:
- 2 Toshiba Proteges, Both with 4GB RAM
- Both have Windows 7 Home Premium with Service Pack 1, 64-bit version
- (Sorry we have no MacBooks at home, just iPhones and iPods!)
Airport Utility:
- Version 5.6.1
Airport Disk Preferences Utility:
- Version 1.5.5.3
A week ago, I was able to copy over large files (videos <4GB in size) to the drive. Now, when I try to copy over these large files to the drive, the copy dialog box hangs. I receive a message stating that Windows is calculating the size, but then it doesn't copy over. Windows then gives me a message that it is unable to copy to the drive. When I test the drive connection by copying a small text file over, it copies over quickly and seamlessly. This problem occurs on both computers.
I am able to do the following with the drive connection:
- Read files
- Change file names
- Copy files from the drive to my computer
- See the contents of drive
I've tried all the combinations of the following with no success:
- Turning off Windows Search
- Downgrading the firmware
- Reconfiguring wireless adapter
- Rebooting computer
- Rebooting wireless router
- Rebooting external drive
The drive seems to be working fine except for when I want to copy <2GB files over to the drive. Does anyone have a solution that seems to work?
Thanks!

I'm happy to report that, after reformatting the drive to HFS+ (aka Mac OS Extended), there are no problems writing/copying large or small files to the AirDisk drive. I'm also happy to report that I am copying to the drive at a rate of roughly 4MB/s.
As I mentioned earlier, the only catch is that I am unable to plug the external drive directly into a Windows computer via the USB port as Windows is unable to read HFS+ formatted drives. (I can, however, plug the drive into a Mac computer as they can read HFS+ formatted drives. The only problem is that I don't own any Macs at this time! LOL!)
You're probably wondering how I formatted the external drive to HFS+ since I don't own any Macs. (Windows only allows you to format drives in exFAT, FAT, NTFS and the like.) That is a good question. Basically, I downloaded an open source formatting tool called, Gparted, which allows you to format any USB drive to any major file format system. Since Gparted is an open source tool, it is a little cumbersome to use. Once you figure out how to use it, it is a cinch to format the drive to HFS+. (Of course, an easier method would be to borrow a friend's mac, plug the drive into their mac, and format it to HFS+ using their mac.)
For a step-by-step guide on how to solve this problem, see the steps below:
1) Backup all data from external drive
    a) Fortunately, I have a 1TB ultraportable USB drive which has enough space to backup all data on the drive
2) Format the external drive to HFS+ using one of the methods below
    a) Plug it into a Mac and format it
     b) Use Gparted (free) to format it
3) Plug the drive back into the Airport Extreme
4) Start copying files over to your networked drive!
I hope this helps you! Cheers!

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Can't copy large files to AirPort Disk Using Windows 7

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