Please Help Alarm Problem.

[GOLFF]

Hi People Please Some One Help Me I Have A (golf Mk4 1999 1.8 Turbo) It Was In For A Body Work Garage The Worker In The Garage Put My Car On A Charge But The Charger Was On 24 Volts And He Did Not See That And Pressed Boost And My Car Was Completely Dead But I Took It To A Mechanic They Replaced The Ecu & Dashboard And Programd Them But Now My Alarm Is Not Working Atall The Doors Are Always Open The Red Light On The Driver Side Is Off And Also The Windows Will Not Go Up Or Down But When You Disconnect The Battery Then Reconnect The Window Will Work Then When You Start The Engine It Will Go Back Off Some One please Help Me Thank You.

Waiting For A Help.