Hello to the Group ! 
My collection has a size of 27.000 Tracks.
But my amount of tracks in Lexicon is 55490. So almost double !
And many many tracks are marked with the danger/triangle, so their
localization is unknown. I have done changes in the source-folders and some changes will still go on.
So how can i delete the marked tracks with unknown localization, probably based on my changings of the source -folders ? Must i go through 27.000 Tracks myself one by one ? Thanks for help 
Hi,
Do you just want to delete the files that are missing? The utility Find Broken Tracks is easiest for that (top menu bar). Otherwise I need more info on what you like to do.
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Thanxs alot Christiaan ! The notice to the utility: -find brocken tracks- was the game-changer and i could delete all. 
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