This is a duplicate post. You don't need to make a bunch of posts with the same question as it tends to confuse and take up space. If someone knows the answer to your question it will get answered.
This is what I posted on the other post you made.
That could mean that there is a conflict with the driver of the newtwork card or that the driver could need to be updated.
Go to the action center and run the trouble shooter and it should bring up what the cause of it stopping.