Previous versions suffered from residual fingerprint data in memory if a client crashed. v9.0.3.8 implements – after each capture, the service calls SecureZeroMemory() on the image buffer and forces a garbage collection on the heap. The service also validates that the calling process still exists before releasing resources.
If you are updating from an older version (such as v9.0.2.x), you will likely notice the resolution of these common pain points: Mfs100clientservice Version 9.0.3.8