Run Scandisk or something equivalent to help ensure that there is nothing physically wrong with the computer hard disk drive. This available space allows the computer to have room for the swap file to increase in size as well as room for temporary files. If you have a hard drive larger than this size, verify that there is at least 500MB of free hard disk space.
If you have a hard disk drive that is 2GB or smaller, ensure that there is at least 200MB of hard disk drive space free.
Hard disk drive is short on available disk space.