OK, let us know whether the SFC scan helped. If you you are still seeing the error I will prepare debug version of UPnP.dll to test and have a better clue.
From time to time a crash of MM5 occurs: Runtime error R6025 and MM5 does not function anymore. Although running MM5 in debug mode, there is no request to send an error report. A causal reason regarding the specific MM5 operation is not recognizable according to my observations.
Please capture this in a debug log (step 4b) and attach the log to a Support Ticket: viewtopic.php?f=30&t=86643
Please also add what you were doing with MediaMonkey at the time of the error.
This will help a developer analyze why this happens in your setup.
My experience from today:
I have experienced a series (3x) of crashes (Runtime error R6025; errorlog was submitted each time). After each crash the PC and MM5.0.2.2511_debug were restarted. Then the playing list was restarted. The crash typically occurred after about 30 minutes.
Since I normally use a DLNA player as audio output, I used the internal player as output in a fourth attempt. Here I could not observe a crash.
Therefore I suspect that the Runtime error R6025 is causally linked to the DNLA output