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An error message is information displayed when an unexpected condition occurs, usually on a computer or other device. On modern operating systems with graphical user interfaces, error messages are often displayed using dialog boxes. Error messages are used when user intervention is required, to indicate that a desired operation has failed, or to relay important warnings (such as warning a computer user that they are almost out of hard disk space). Error messages are seen widely throughout computing, and are part of every operating system or computer hardware device. Proper design of error messages is an important topic in usability and other fields of human–computer interaction. == Common error messages == The following error messages are commonly seen by modern computer users: ;Access denied :This error occurs if the user has insufficient privileges to a file, or if it has been locked by some program or user. ;Device not ready :This error most often occurs when there is no floppy disk (or a bad disk) in the disk drive and the system tries to perform tasks involving this disk. ;File not found :The file concerned may have been damaged, moved, deleted, or a bug may have caused the error. Alternatively, the file simply might not exist, or the user has mistyped its name. More frequent on command line interfaces than on graphical user interfaces where files are presented iconically and users do not type file names. ;Low Disk Space :This error occurs when the hard drive is (nearly) full. To fix this, the user should close some programs (to free swap file usage) and delete some files (normally temporary files, or other files after they have been backed up), or get a bigger hard drive. ;Out of memory :This error occurs when the system has run out of memory or tries to load a file too large to store in RAM. The fix is to close some programs, or install more memory. ;(name ) has encountered a problem and needs to close. We are sorry for the inconvenience. :This message is displayed by Microsoft Windows XP when a program causes a general protection fault or invalid page fault. In Windows 7 it is changed into a more simple "(name ) has stopped working". 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Error message」の詳細全文を読む スポンサード リンク
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