Eventually I gave in and used the TileDataLayer Database replacement / recovery, but what a pain! This Database is so fragile. You would think that they could come up with something a little more...

Already tried all that, with CCleaner and Jv16. Went through everything. Can't even find the link that creates the entry!

Having tried to uninstall this app, I thought I had succeeded with no trace of it left

Now it has suddenly reappeared (probably with the anniversary update). I uninstalled it again, but the app...