Love for the game player and often install system of friends, with the virtual CD-ROM loading the game disc and system installation disk image file ISO is common, and loading, is run directly or to burn a cd.So in this way, the problem appeared, because we may find in loading and recording, in the image file with the useless record, will produce a suffix UIBK file with the same name.In fact, the file is a virtual back-up of the virtual optical drive software for data security before the recording of the file.In general, these files will be cleared by themselves with the success of the recording.However, sometimes this is the case, that is, the record is not completed, and PC suddenly died.At this time, these files will be left in the direc硬磁盘空间，我们需要进入相应的目录和手动清除。

同样，大图片在使用PS图象处理软件渲染肘，也会保留一些大的缓存文件，在PC时代；时期；千万photoshoptemptimes数以百计；倍；（倍；数字），这些文件在正常情况下，也会将自身删除，除非是遇到死机或断电的原因我们需要手动删除，清理的方法很简单，进入目录缓存文件的位置（通常是C：用户系统用户名 AppData 地方温度）和删除的文件。

AppData是隐藏文件，需要在文件夹选项对话框的Windows资源管理器工具栏打开切换到查看标签；；高级设置列表，显示隐藏文件和文件夹和驱动器，单击按钮，看到的。当然，如果你的操作系统是Windows 8，你只需要切换到资源管理标签，然后检查，显示/隐藏，检查柱，隐藏项目，项目。