Temporary files are caused by an operating system or any other application. It is common for temporary files not to be needed anymore when it is completed. But temp files can not deleted automatically, we should periodically delete temporary files in windows XP. Temp files are often stored on the logical drive C, and they can occupy bytes on our hard drive.
Delete temp files in windows XP
In other words, you can also delete temp files with Cloud System Booster. It can delete all unwanted files with one click.