Bootcamp 5 fails to create installation USB drive

Bootcamp version 5, running on Mountain Lion, keeps failing on creating the Windows 7 Startup disk. I'm using a 8gb USB drive and it formats it without any problems. The process will carry on until around 50% of copying installation files and then fails.
I've tried 2 different USB Flash drives and I've check the ISO image for Windows 7.
Can anyone help me with a solution? Or why this is happening.
Thanks

It means you must have windows in a file instead of a disk and the file's extension is ".iso". For Example: WIN7INST.iso. .ISO files are the windows counterpart of Mac's .dmg files. How do you create a windows .iso files? I perfectly don't know but surely there's a program such as Disk Utility that can rip a Windows installer CD/DVD into a file with the .iso extension.
Back to you question: you need Windows in an .iso file format instead than a CD/DVD.
By the way... I'm not going to suggest you to do what I'm going to say because I'm not sure it always work but I sometimes rip a Windows CD/DVD with Disk Utility in "master" format (no compression) with .cdr extension. Then i just change the .cdr in .iso and it works in windows.
Why using a .ISO on a USB drive instead a CD/DVD? Becaus installation may be faster or in case you don't have a Superdrive, either internal or external, but necessary for installing Windows in BootCamp. From a generic CD/DVD reader, Windows installer will not start on a Mac, at least on my... dead late 2011 MacBook Pro.
Cheers
Simon

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I have a Windows 7 Ultimate .iso file saved onto a "Mac OS Extended (Journal)" formatted USB flash drive. I am trying to install it with BootCamp Assistant and I keep getting the error message : Your bootable USB drive could not be created. "An error occurred while formatting the disk."
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Bootcamp fails to create windows 7 startup disk

Bootcamp version 5, running on Mountain Lion, keeps failing on creating the Windows 7 Startup disk. I'm using a 8gb USB drive and it formats it without any problems. The process will carry on until around 50% of copying installation files and then fails.
I've tried 2 different USB Flash drives and I've check the ISO image for Windows 7.
Can anyone help me with a solution? Or why this is happening.
Thanks

Visit the Boot Camp forum https://discussions.apple.com/community/windows_software/boot_camp.
The Windows Support software download servers are notoriously slow. Try again and be patient. When you say it formats ok, it should be FAT format.
Your issue is addressed in the Boot Camp forum.

Clean install mavericks failed. No bootable USB drive either. Help please.

HI guys I really would appreciate some help here.
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What you are doing now is the correct procedure, install the Mac OS X that came on the machine. From that you can have a working machine and then install Mavericks again.
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Bootcamp cant make a bootable usb drive.

Hey guys,
When i try to make a bootable disk (USB) in bootcamp, it says he cant make it a bootable usb drive.
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Please come help.
Thanks!

GIavelotto.
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I want to create a USB drive for Mountain Lion and have no discs

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You have one on your iMac, the recovery partition. Your iMac is not compatible with the App Store version so don't try.
Install OSX on to a thumb drive if you want, it's a waste of time compared to using Recovery.
Click this link for a Google search for 3rd party suggestions.

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Hi guys,
I have a problem with this BootCamp thing. So I have installed windows 8 pro on my iMac(late 2012) and the first thing i did when I installed it was go to the BootCamp folder in the usb drive (my external hard drive) and click the setup.exe thing. I clicked next continously and then it started extracting some thing/file with a weird name. It was taking a long time so I closed it and started it again. It was again taking a long time to extract the same weird-name-file/thing (It did not take this long to do the same when I installed windows 7 Ultimate). So I closed my computer and after some time switched it on. To my astonishment,
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Note: Feel free to ask any question. Thanks anyway.

Sounds from your post that you are trying to install the Support software from within OSx. You install the support software from Windows. Read the Boot Camp instructions. You install Windows. Take out the Windows disk. Shut down your computer. Insert the usb containing the support software. Boot your computer into Windows. Windows will automatically detect the support software on the usb and install it. If Windows does not automatically install the software, navigate to the usb, while still in Windows, and double click the setup.exe file.

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Hi everyone,
since I installed my BootCamp partition I encounter a strange problem. I have an LG external DVD-drive connected via USB to my iMac. Everytime I try to boot Windows while the LG is connected the boot process just stops and gives me a white display. If I unplug the drive from the USB-Port everything works fine, and once windows is booted I can even reconnect the USB-drive and it works fine. But as you might understand always unplugging and plugging really gets to my nerves. I know of a couple friends who encounter the exact same problem, they also complain about this...
Also strange is the fact, that if I boot OSX the LG is connected and everything works fine...
Searched the forum and web, and wasn't able to find something usefull...
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http://www.alsoft.com/DiskWarrior/
Your best bet is DiskWarrior, you need the CD/DVD though.
http://www.alsoft.com/DiskWarrior/
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Drive Genius…
http://www.prosofteng.com/products/drive_genius.php
TechTool Pro…
http://www.micromat.com/index.php?option=com_content&task=view&id=31&Itemid=83
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http://discussions.apple.com/thread.jspa?messageID=9645801&#9645801
http://discussions.apple.com/thread.jspa?messageID=10541019#10541019
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Bootcamp 5 fails to create installation USB drive

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