Open the Search and Indexing troubleshooter
If you're having problems locating specific files, folders, or other items on your computer, try using the Search and Indexing troubleshooter to fix the problem. It makes sure that the Windows Search service is running, and checks to see whether you have the correct permissions to search all the directories on your computer.
To make sure you have the most up-to-date troubleshooters from the Windows Online Troubleshooting Service, your computer should be connected to the Internet. For more information, see Troubleshooting in Windows.
Open the Search and Indexing troubleshooter by clicking the Start button , and then clicking Control Panel. In the search box, type troubleshooter, and then click Troubleshooting. Click View all, and then click Search and Indexing.