Copy & paste problem in pendrive

Hi,
I am lemulemon,I use a desktop computer & i have a pendrive. I always use XP operating in my computer. There have a problem in my pendrive. When i send any file to pend rive then computer show me a message.
Windows can't copy them. what's the problem in my problem in my pendrive. I already change the operating & give a new XP operating but feedback is zero. Is my pen drive damage?I try to solve the problem but i am failed. The computer show me same message. So i ask a questions in your website,my questions is "How can i solve the copy & past problem" .
regards
lemulemon
