It depends on how you plan to use them, but I would probably have put them all into one symbol catalog, and then used collections to either group them by type (so you have all the castles of different colors in one group) or by color (so you have all the red tinted symbols in one collections).

Or, if you have a Norwegian keyboard, you'll actually have an 'Æ' key on your keyboard :)

Almost exclusively AD&D 2nd ed, with a few cases of Warhammer RPG and Warhammer 40K RPG. Not that most of the maps are particularily system-heavy though.

The already selected sheet in the move to sheet dialog doesn't indicate what sheet the entities are already on, it indicates which sheet is the currently active working sheet. The only way to see what sheet something is on is by using the list command. (This goes for all the properties, the graphical dialogs shows the currently active "working" properties, not the ones from the selected entities.)

In addition to making sure the text is on the right sheet, it is also important that the glow effect you have is strong enough to actually be visible, a weak glow may be more or less invisible.

Some new maps for the atlas by @Quenten.

Sure. No need to break anything down for the atlas. I prefer dungeon levels being a single file each.

Another thing to consider as you did mention running on Azure. They support machines with desktop OS as well (Win 10/11), not just server OS.

Try hitting Tab during the move/resize operation.

Did you try rebooting your computer after the installation to see if the issue continued after that? I obviously have no idea why this is happening to you, but if something is being done during installation for some reason causes explorer to start crashing, a reboot will at the very least restart every part of Windows.

You should also contact customer support through your registered user pages. Maybe they'll be able to work out something with you, like trying an alternate build of the installer.

Nice collection. It does make testing a bit harder, but at least I have something to try.

I'll see if I can find anything. Maybe there is an overlap with what @Nivenus uses. (Or maybe I am barking up the wrong tree here, but figuring out weird problems can be difficult, so anything can be worth trying)