Reinstalled Filter Forge... Lost all my filters.

Okay, so I have a licensed version of Filter Forge 1, with a bunch of homemade filters and favorites... I haven't used it in a while, and I randomly felt like making a couple filters. Now it seems it won't load, and I get a message saying that "dbghelp-xfw.dll" can't be found. The message also says reinstalling the program might help... I re-download FF1, it loads, but all my favorites and filters are gone. Did I do something wrong ? Are my filters still somewhere on my computer ?

Note : there's nothing in Roaming > Filter Forge > My Filters. Did Filter Forge seriously delete that too when uninstalling ?

EDIT : ah nevermind, I just copied my old filters from a backup. I was lucky to have that, or I'd have lost all my work !
I think there should be, when uninstalling FF, a checkbox that asks if you want to also delete the custom/fav filters folder.