This 記事 explains the common error messages that makes pen drive data inaccessible making users call for a solution to answer the 質問 how to recover pen drive data.
The release is to inform users about purchase of Pen Drive Recovery software from resellers for effective corrupted, formatted, and deleted pen drive recovery
To recover deleted files from Pen Drive, it is better to go with smart external application like Pen Drive Recovery because manual method does not work accurately.