Sp_trace_create And File Exists Error

My goal is to monitor all failed login attempts to server. I have:

DECLARE @traceidnum INT, @on BIT, @file_path NVARCHAR(50), @maxsize bigint;
SET @on = 1; SET @maxsize =5; SET @file_path = 'c: race'; --Create trace EXEC sp_trace_create @traceid = @traceidnum OUTPUT, @options = 2, @tracefile = @file_path, @maxfilesize = @maxsize, @stoptime=null, @filecount =0; --trace stop EXEC sp_trace_setstatus @traceidnum, 0 --Set events EXEC sp_trace_setevent @traceidnum, 14, 1, @on --trace start EXEC sp_trace_setstatus @traceidnum, 1

this works fine, but the problem is when sql server restarts I loose trace but trace-file remains. When I want to create new trace with the same parameters I receive Error = 0x80070050(File Exists) .
Is there any way to reuse trace-file? Or to change trace's file path to indicate file already created?RegardsKonRi