More > JRiver Media Center 24 for Mac

weird checkered empty space in the now playing area

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RoderickGI:
On a Windows PC I would suggest deleting the Thumbnails database and rebuilding Thumbnails in MC. But I don't know where the Thumbnails database is on a Mac, so you are on your own if you want to try that.

blgentry:
Because this works under a "guest" user account, it implies that MC's configuration or support folders or database, or something is corrupted in some way.

I would suggest the following.  Note that what I'm going to suggest is destructive and you might lose your library settings and metadata if something goes wrong.  Please understand the procedure and proceed at your own risk.  Though it's really not too risky as long as you pay attention.

1.  Make a backup of your library:  File > Library > backup library   Make a note of exactly where you put this backup!  You are going to need it.
2.  Shut down MC.  Make double sure that  MC is dead and there are no dock icons of MC that have a dot under them.
3.  Remove MC's entire "support folder" which includes the library (database) files that it uses for your main library.  To do this, go to Finder and navigate to your Library folder.  Press <command><shift>g and in the box that comes up type
--- Code: ---~/Library
--- End code ---
.  Now you will see many folders.  You are looking for Application Support.  Once you double click on that, find the "JRiver" folder.  Remove that folder entirely by dragging it to the Trash, or some menu or right click action that moves it into the Trash.
4.  Fire up MC again.  It should bounce on the dock for a little bit, as it is recreating this directory structure and some other stuff.  It's possible your copy of MC will be unlicensed at this point.  You should be prepared to re-license it.  This is very easy, I'm just preparing you for this step if necessary.
5.  Once MC is up and you can use it, restore your original library:  File > Library > Restore library  You will need to tell MC which backup file to use, which you noted in step #1 above.  Make sure the  "Library" and "Settings" check boxes are checked so that it restores everything.
6.  You should probably restart MC at this point to make sure everything sticks.

There's some possibility that you will have to redefine your audio devices as well.  If so, that shouldn't be very hard.  Again, just be prepared for it just in case.

I am hopeful that this "nuke and pave" approach will solve your long standing problem.

Good luck!

Brian.

blgentry:
Oh I forgot to add:

CAUTION:  This procedure will "reset" ALL versions of MC that you have installed:  24, 25, etc.  If you are using (or counting on) any older versions, make sure to back up their libraries first and be prepared to do everything I outlined to restore each version.

Brian.

zeltak:
thx blgentry!

so i followed all your steps and here is what i report

i followed till step 5 and launched a simple file and played it and it worked well
then i proceeded to step 5 and imported library. Restarted MC and the same problem comes back!!!
i really dont want to loose al my settings, perhaps some of the devs can weigh in on this? this has been going on for a few weeks now...

best

z

bob:
I don't think it's the image itself but try this:
Right-Click on an track
Do Cover Art->View (First File)
if that looks ok do:
Right-Click on a track
Do Cover Art->Save Cover Art To External Location Specified in Options
Then look in
~/Application Support/J River/Media Center 2x/Covert Art
for the file and attach it to a message here.

I think it's really more likely that something you've customized in the settings is doing this. I noticed you customized the toolbar. Any other things you can think of?

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