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Thanks Chris,
Just did it again following your instructions to the letter
rebooted my pc as instructed
Had the warning message, ticked the box to say don't show this message again.
checked my start up programs and real upgrade launcher had re-appeared!
although the other two (real networks installer and real networks scheduler ) remained unchecked im sure they will re-appear in due course!
i'm beginning to think that real player must have installed something within the program to keep adding this to my start up programs!
Think i might have to completely uninstall real player.