I lent my Usb Pen drive to a friend who needed to create a bootable usb disk. On getting it back, I formatted it on Windows but… it would then only work in Windows!!! Not on my beloved Kubuntu!
I tried several utilities, software,… and it only ended up in manking my pen drive useless (impossible to read from and write to) on both Windows and Linux 
So the solution (just a wild guess) which finally worked was to format the pendrive as a FAT32 drive in DOS!!! Now it works on Windoiws and Linux. How, Why, … I don’t know but it works. Thank God!
So the command was simple:
format E: /FS:FAT32 (where E: is my pen drive name and FAT32 is the fle system I want on the disk)
For more help on the command, type format help at the dos prompt.
September 26, 2007 at 7:20 am
Had a weird problem with one of my pendrives too… It was a 128 MB but whatever OS I mounted it on, it showed 132 RAW GB!!! YEAH GB!!!
Bane zistoir bomarC sorti la chine la koume sa em sa… pas facil sa… 
Couldn’t use it since not a single utility could format it well…
In the end had to create two partitions on the pendrive… a 122 MB for use and a reserved unallocated 10 MB… and it worked!
June 30, 2009 at 8:37 pm
How did u partition it..
October 1, 2007 at 9:37 pm
What are the steps to make the USE drive bootable??
November 25, 2007 at 10:09 pm
Just use this the next time. It works with all USB thumb drives and you won’t need DOS. It works! Try it and report back.
LINK: http://files.extremeoverclocking.com/file.php?f=197
DOWNLOAD LINK (from same page): http://files1.extremeoverclocking.com/61d84e831948ffaca9d0fb8984c02cee/bootdisks/SP27608.exe
January 14, 2009 at 11:07 am
Thank you so much dear zetwal.
I could use only 900mb out of my 4gb Transcend pendrive and then it used to show ‘write protected and use another device’
At last I used DOS to format the pendrive…which worked!
Thank you once again…
Uday