Ok. I had that problem in bunkers when I had put the power back on, but hadn’t left the bunker. Every time I approached a spawn point a tick would appear right in front of my eyes (on command once I found the “tripwire”). Is this something else?
And the houses business, sometimes they spawn in plain sight.
I wouldn’t say that. It happens to me all the time and currently I rarely play co-op. Sometimes I am tempted to wait until the dogs sign off before attacking the harvester.
Not that I know of.
I am 100% sure they don’t die and that they return. That happened to me a couple of times. But that is only runners. The one I had reported appearing out of thin air was a hunter.
I had many situations where loot boxes spawned in very late while I was already looting a room. Might be something similar. But they alway seem to spawn in only when I look away. That was particularly remarkable once when I was looting one of those locked small ammo cubes.
I found the trigger. Bug report incoming.
(Spoiler - it’s just killing one dog and waiting a short time.)
You got me real curious! 
Some time ago, there was a bug affecting Vesslan command bunker. In Vesslan, near the safehouse room, there was 3x proto ticks standing guard. When you 1st got there, you cleared them out. But every time you fast traveled to Vesslan and just after exiting the safehouse room and crossing certain point, those three ticks were spawned in. One just behind you and two at the front of you. Two out of the three instantly aggrod at you and jumped you.
Of course, those three ticks weren’t the only ones spawning in at Vesslan. If you had the bunker unlocked and made your way down of spiral staircase (towards generator room), once you came back up from the stairs and exited the small room, tick spawned in just left from you, in the wider corridor.
That bug was in the game for 1-2 months until it eventually got patched out. It could be possible that the same (or the very least, a very similar one) has returned to the game.
Make note where the ticks spawn in. Is it always the same loc or random. Also, make note if ticks spawn in once per session or every time you visit that loc (by session i mean continus gameplay without exiting into main menu).
This thread is done. I have a full demonstration over at Bug, Disappearing Harvester Escorts.
I think there are other issues about robots appearing and disappearing, but it’s not this specific issue.
Since the November patch corpses have been plentiful in the cold snow. But when it comes to machine remains the opposite seems to be the case.
After playing a lot of MP both before and after the update I can firmly conclude that destroyed machines are removed from the game world really fast. Sometime you kill 2-3 hunters only to find one remaining destroyed machine when the dust settles.
I would consider it a fairly serious bug as it affect gameplay a lot. I’m back to looting a lot of boxes, cars and containers again for stuff. Before the update I could usually ignore most of them as the loot from the destroyed machines where enough for me .
Plattform: PC
OS: Win 10
GFX: 1080 TI
32 GB RAM
4K playing on Ultra settings
That does also apply to living enemies, just happened to me. 4 FNIX runners attacked me. I killed 1 really fast. A couple of seconds after I killed the 2nd one it and the other two remaining living enemies just vanished from the earth. Others have reported that as well.
EDIT: Could you rename your title in “Enemies living or dead vanish” or something? I was just in the process of creating such a thread when I saw yours.
I just happened to me again! I was fighting a pack of runners. One started its sprinting/jumping attack and MIDAIR it was gone. Poof.
Maybe too many “killed” enemies create crashes? Sometimes i had like 7 harvesters and 5 tanks and lots of runners and hunters destroyed in a region and my game crashed more when there were too many dead enemies…although the bug about living enemies disappearing is annoying, it might be a side effect? I don`t know, just hope they solve it in the next update.
That cannot have been it for me this time.
I had this issue yesterday in a very obvious way while engaging a FNIX harvester + his runner escort (4) from the Helgaryd(?) church tower. I disassembled two runners and while targeting the third he vanished right out of my scope view and the fourth was also gone. Poor harvester… but it was somewhat annoying to see that runner vanish in front of my eyes
The sometimes even return! 
Anyone else out there having an issue with bots disappearing before u get a chance to loot them.
This has happen to me several times and I can help but wonder what I’m missing out on.
Yeah, it happens. Not often, but it does happen. One of mine was a Rival I was trying to get back to loot. Most often it is Runners that vanish, but Hunters do as well occasionally.
Since this topic has grown with many experiencing the same issue, I’ve merged all threads I can find and placed the main thread in Bug Reports. If you guys have any further issues like these with disappearing enemies, post 'em here.
/Mod
Yes, I raised it in a live session and they fixed it at the next update. It was Vessian. Interesting if it’s come back. If we raise it again, they’ll fix it - it is a bug.
My advice on this is always leave enough space to click on take all before it can vanish.
On co-op it can happen at any time.
Platform:
PC
Description:
During a fight (for the bashing of Ticks) I experienced it live when two hunters completely disappear after the fight before I even could loot them. Fortunately I recorded it.
Steps To Reproduce:
Really dunno. It happens so sporadically that I most of the time think I miscalculated hunters that I downed.
Images / Videos:
Host or Client:
Both == solo
Players in your game:
Only Mathilde.
Specifications:
R5 2600, 16GB RAM, Game on PCIe NVMe SSD, Win10 64bit