Unfortunately it often fails and once it does I need to reboot and i might be able to resume copy and paste but sometimes even then the reboot doesn't work.
winxp, service pack two.
Strangely, i found out that my laptop does the same thing.
I have spent money on new computers, new hardrives etc, and adaware, avg, spybouncer, blah, blah, but to no avail can I find a virus or a fix.