Computer slow after dual boot is finished

[djscoutmaster]

i have a dual boot set up on my acer apire laptop. 512 memory 1.8ghz athlon. i set up ubuntu linux and xp perfessional. 50gb for xp 9.5gb for linux and 512 linux swap space. that is how it is partitioned. but ever since i did this window xp is considerbly slower, slower programs booting slower everything. any ideas

 

[TypeX45]

Try checking for spyware if you have been out on the internet first.

 

[Superinc]

which partition is first ?

 

[djscoutmaster]

partition

the first partition is xp. how can that affect it?