many problems pls help

1. driver window wont move makes noises pressing up and down but no results.
the other 3 are fine
2. back door stuck wont open .window wont go down ,checked threads does disarming the anti theft device just mean turn off the alarm?
3. want to change the battery ,what do i need to do after,codes alarm etc . new to the freelander any help will be much appreciated and ask away i will see if i can help lol. del

New to forums too?

Post in the introduce section and ask the questions in the freelander section.