Hi kingfish and amdmatt, i have already posted an question regarding issue mentioned above here - Radeon HD 5450 Diplay Driver Stopped Responding and Has Recovered
I am still getting same problem. i am struggling with this issue since last 01 month, now i am fed up with this issue. If you have any kind of accurate solution to this please help me with this problem. This issue is heavily disturbing my daily work. i have attached some error screen photos with this post.