Article ID : 00032570 / Last Modified : 07/22/2014

The Walkman player displays Flash Err.

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WARNING: There is a risk of data loss. Initializing or formatting the portable player will permanently delete all data stored.

A Flash Err message indicates that the Walkman® player is unable to read the data stored in the memory. Initialize (Format) the portable player to resolve this issue.


  • When the memory of the portable player is formatted, all files will be deleted. After the formatting, you cannot recover any of the data. You will need to transfer the data back from your computer.
  • If model-specific information is required to format the player, refer to the operating instructions supplied with the product. Manuals are posted on your model support page.
The troubleshooting steps listed above should resolve your issue. If you have completed all of the steps and the issue is not resolved, service may be required.

For all Sony products (EXCEPT VAIO computers): To send your product to a Sony facility to be repaired or to check the status of the a repair, visit our eService web site.


For VAIO Computer products: Please call 1-888-4SONYPC (476-6972) for service information for your product. To check the status of your VAIO product repair, have your phone number or Best Buy service number available and call 1-800-433-5778.