After uodate, total conversion mod folder vanished

As the title says, my total conversion mod folder vanished, so I’m basically unable to update my mod anymore. The weird thing is that this folder made itself alone, when I make a folder it is just not shown in the cook/upload menu. Can somebody help me? Right now there is a third folder shown in the cooking menu called MyTotalConversion, which I didn’t make.

Edit: sorry for wrong forum, forgot that.

Edit 2: I even found the folder now with the mod in it, but I can’t seem to find out how to update it again.