This solution worked for me so thought I would share.
1. Go to Start and type: "Services"
2. click "Services"
3. go down to and click on "Security Center"
4. now click on "Restart"
This solution worked for me so thought I would share.
1. Go to Start and type: "Services"
2. click "Services"
3. go down to and click on "Security Center"
4. now click on "Restart"