‏¹ Record of the Conversation Between the Fuhrer and the Grand Mufti of Jerusalem on November 28, 1941, in the Presence of Reich Foreign Minister and Minister Grobba in Berlin, Documents on German Foreign Policy, 1918-1945, Series D, Vol. XIII, London, 1964, p. 881ff in Walter Lacquer and Barry Rubin

Double click on My Computer
Right click on the drive you want to scan
Select Properties
Click on the Tools tab
Click the "Check Now" button under 'Error Checking'
OR
Click the "Defragment Now" button under 'Defragmentation'