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[mwheelerk]

I am in need of help. I have no clue what is going on.

MC 20 has been performing virtually flawlessly until today. I had experienced a couple of crashes previously.  The message would pop up that Media Center had quit unexpectedly. I would reopen it and everything would be fine.  Today while playing from MC20 the screen suddenly went blank and everything stopped. No error message popped up. I tried to reopen MC20 several times. Each time the toolbar at the top would show Media Center 20 with a completely black screen below for a couple of seconds and then it just disappears. I decided to try and reinstall MC20. After the reinstall the same thing occurred. I then opened MC19 and everything there appeared fine and I was able to play music. I tried opening iTunes and Audivrana 2.0. Both opened and operated normally.

I also restarted and shut down and turned back on my Mac Mini

I am at a complete loss as to what the problem is and what I should do. Any help,or advice is greatly appreciated.

[mwheelerk]

I have recovered MC20 from a suggestion on another forum. It had something to do with the MC20 plist file located in Library>Preferences. Once I got MC20 to open everything below the toolbar was visible but "frozen". I couldn't make any selections. I was able to select Libray>Restore Library and restored from the latest backup with was from the 26th.

I don't know what the heck happened but at least I seem to be back in business.

[RoderickGI]

I suggest that you test both your PC memory and hard disks. It could be that you have either one failing.

It sounds like you are running MC on a Mac Mini, so I can't really suggest the best tools. On Windows I would use Memtest86 and HD Sentinel.

[mwheelerk]

I suggest that you test both your PC memory and hard disks. It could be that you have either one failing.

It sounds like you are running MC on a Mac Mini, so I can't really suggest the best tools. On Windows I would use Memtest86 and HD Sentinel.

But wouldn't a failure of that nature be more universal in scope and not specific to just one software?  I did use Disk Utility to Verify and Repair Disk permissions.

[glynor]

The issue you described certainly sounds like one of the following:

* Disk write failure
* Memory corruption
* Kernel panic or loss of power while disk write was in-flight.

All suggest hardware problems, unless the power just failed at the wrong moment (or maybe you were trying something crazy with an external hardware device and it kernel panic-ed).

I suggest that you test both your PC memory and hard disks. It could be that you have either one failing.

+1

I can suggest tools:
http://wiki.jriver.com/index.php/Troubleshooting_Disks

For memory, here's a guide:
http://guides.macrumors.com/Testing_RAM

The AHT or Apple Diagnostics (depending on your model) is a good place to start, for sure.