Refer How to automatically troubleshoot and fix common computer problems for previous steps
1. In the Troubleshoot problems - System and Security section, click on the icon next to the problem you are having and would like to fix.
NOTE: Your choices are:
* Internet Explorer Safety
* System Maintenance
* Performance
* Power
* Search and Indexing
* Windows Update
2. Follow the onscreen instructions to try to fix the problem.
Please shout if you need any help further.