[Request Help] Need some Help in SQL 2008 R2 start

[terra006]

Hello i need some help in sql 2008 r2 start i got an error and i dont know how to fix it...if some1 know plz tell me

here is a screenshot

[kakakakaqweqwe]

delete it from control panel and setup again

[Haxor]

idk what that but username should be 'sa'

[[GM]Tensa]

you should put ur user name and password that you put in Setup