This error report sending message can become quite annoying at times, it keeps on bugging the user. Not to worry about.
There is a simple way to get rid of it:

1. Go to Start->Control panel.
2. Go to system. Now go to the Advanced tab.
3. Under the advanced tab, at the bottom click on ‘Error reporting’.

Now click on ‘Disable error reporting’.
You are done.
You will not receive the error sending report anymore.....................