itch.io

Yes, I'm using butler.  The channel name is the same, just "windows-x64", but I am manually setting the version with the --userversion flag, and I did increment it since the last version if that makes a difference. 

According to the user, it did download something, but none of the controls (launch, manage, open folder, uninstall) do anything.

There's only one executable, now with the new name.  I personally wasn't able to run the game, but I did manage to uninstall, then re-install it, and it worked from there.

The name of the archive wasn't changing, so I deleted it and uploaded it again from scratch, which may have complicated things.  It also got rid of the record of all the old versions, which is a shame but not the end of the world I suppose.

I recently changed the name of a game, including the name of the archive, executable and folder.  I figured something like this might cause issues for anyone who had the game installed on the itch app beforehand, and sure enough, it did. 

I've got a report of someone who received an update, after which point they were completely unable to launch, manage or even uninstall the game.

Step 1:  Open the itch app

Step 2: Quickly launch any game that has updated since the last time you opened the app - you have a 30s+ window to do this

The app will then attempt to update the game while it's running, replacing some files but failing to replace others because they're in use, resulting in a half updated amalgamation that will probably break the next time you try to run it if not immediately.

The app needs to ensure that a game isn't running before it tries to update it to prevent issues like this.