how to solve The system cannot find the file specified on windows xp

how to solveThe system cannot find the file specified on windows xp
Now , I have used the windows XP3 . I have found that when i try to start the one service .
so , I try to start that many time but the error have been same so that have root cause is
The Event Log is full so you must to delete or clear the System Log and Application Log and then restart the service against . I sured that worked.
below is method for clear that.