Use the following query to find the path of the default trace
SELECT * FROM ::fn_trace_getinfo(0) ;
SELECT
loginname,
loginsid,
spid,
hostname,
applicationname,
servername,
databasename,
objectName,
e.category_id,
cat.name as [CategoryName],
textdata,
starttime,
eventclass,
eventsubclass,--0=begin,1=commit
e.name as EventName
FROM ::fn_trace_gettable('M:\MSSQL10.SQL1\MSSQL\Log\log_26.trc',0)
INNER JOIN sys.trace_events e ON eventclass = trace_event_id
INNER JOIN sys.trace_categories AS cat ON e.category_id = cat.category_id
