TimeTrex Time and Attendance

again same error, exactly whats the problem ?

same thing happens after deleting TimeTrex database.

i am trying to install Timtrex with Mysql version 5.0.16 on windows Xp PHP Fatal error: Uncaught exception 'ADODB_Exception' with message 'mysqlt error: [1060: Duplicate column name 'time_zone'] in adodb_throw(alter table pay_period_schedule add column time_zone varchar(250), )\n' in D:\\Program Fil...