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Can't use character device names in file names: 'item' (Error 320)

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From within Visual Basic, you can't give a file the same name as a character device driver. This error has the following cause and solution:

  • You tried to use a file name such as AUX, CON, COM1, COM2, LPT1, LPT2, LPT3, LPT4, or NUL. Give the file another name.

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