--- a/QTfrontend/main.cpp	Sun May 05 17:23:59 2019 +0200
+++ b/QTfrontend/main.cpp	Mon May 06 00:43:27 2019 +0200
@@ -360,6 +360,7 @@
         checkForDir(cfgdir->absolutePath() + "/Logs");
         checkForDir(cfgdir->absolutePath() + "/Videos");
         checkForDir(cfgdir->absolutePath() + "/VideoTemp");
+        checkForDir(cfgdir->absolutePath() + "/VideoThumbnails");
     }
 
     datadir->cd(bindir->absolutePath());