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Lock Volume-Exclusive access


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It tells the OS to only allow access to the drive from the process that initiated the lock.


Other programs that try to access the drive will find they get an error back from the 'CreateFile' API call - as would be used by SPTI.


Other drives ARE still accessible - you can test this by simply burning something and opening a 2nd instance of ImgBurn. It'll report the error with the 'locked' drive but the others will still visible / available for use.


Perhaps the other program is not dealing with the 'CreateFile' API error correctly. Maybe it's seeing the error and just totally giving up instead of trying the next drive etc.

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