If you are using a localized (different language) version of Vilja, make sure you are using the same version number for both esp and bsa. That said, here are a few tricks that can show you how to divorce in Skyrim. This huge game-wide patch fixes 1,800 bugs and glitches, from the minor animation glitches to the floating rocks, holes in the floor, and see-through wall.
I've tried three different mods that claim to do this and the same thing happens every time: I walk into Dragonsreach, suck the soul out of Balgruuf and drops to one knee and gets up a few seconds later. Kill Target kill Instantly kills the target.
Mods (Jae cites Kill Em All & Death Awaits Us All) let you circumvent 'essential' NPCs, but generic characters like guards and bandits may respawn � Kill the targeted NPC. Each number is: 1: The NPC�s level in comparison to player, based on % of players level. The kill code is done by selecting your target, then typing 'kill' (without quotations) in console.
There are at least three ways to make an NPC essential (simply setting the flag, a call in some script, or using a quest alias that makes them essential). Because of Skyrim�s scaling level system, this one is a little tricky.