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udf

  1. X

    Windows 10 How to identify which process accesses the optical drive?

    After inserting a Blu-ray data disc (BD-R), an unknown background process accesses the disc even when I am doing nothing. It even happens when deactivating the real-time protection feature of Windows Defender. Existing tools such as the task manager and the third-party tool "Process Hacker"...
  2. X

    Apparent decade-old bug prevents a Blu-ray disc from being fully written – error 0x80071AC3 examined.

    This post was originally going to be a question, but upon further examination, I have figured out a likely cause. The error 0x80071AC3 which could occur while copying files to a BD-R (Blu-ray disc recordable) is likely caused by a decade-old bug in the UDF 2.60 live file system driver of...
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