Desktop Screen Issue. HELP!

[Arveeezy]

At the very top of my desktop screen there is a thin line where you can see the reflection of the task bar and when i place mouse at the very bottom of the taskbar i can also see the reflection of the mouse. can someone help me with this issue? thanks

 

[rgd1101]

MERGED QUESTION
Question from Arveeezy : "Desktop Screen !"

At the very top of my desktop screen there is a thin line where you can see the reflection of the task bar and when i place mouse at the very bottom of the taskbar i can also see the reflection of the mouse. can someone help me with this issue? thanks