Theres a lot of reason this might happen. A lot of people expirience this excactly problem with windows 7 .
You have to tell us more details . When ur pc freeze ? What are your pc's specifications .
In addition im sure there are many threads about this problem solved in here . You should have a look.
You have to tell us more details . When ur pc freeze ? What are your pc's specifications .
In addition im sure there are many threads about this problem solved in here . You should have a look.