hello @mjn304 go in download area and made check for update.

now after 5 times check for update that not work

quit the program VGHD
go in the folder VGHD/data and delete the file models.lst
start VGHD way the program rebuild your collection 5 minutes or more.
wait to have the hand in the program and control you get back your collection, if not

quit again and delete again the files models.lst
start and wait, is possible you must made several other time this opération but you get back your collection.

and when your shows is comeback, made a copy of the file Models.lst

if after 8 times that not work again then wait the moment of the serveur work with your computer.

in final you can trie install again the program, NO NEED TO UNINSTALL.

have luck.