zackees
July 31, 2025, 1:16am
1
Just updated cursor
Background agents fail immediately. I’ve having problems with random disconnections of agents so I think that I have some sort of network corner case that cursor doesn’t handle that well. I’m on Starlink btw with Windows 10.
Background agent creation would sometimes succeed, but mostly fail. The 1.30 version they fail immediatly instead of 7 minutes of doing stalling.
Failing fast is definatly an improvement over failing in 7 minutes. But I still can’t use the agents.
Here are some failing requests
bc-1e67ac53-9b4e-42d1-8949-d3e4284866b7
CTRL+E
Select claude hauiku (just writing a design document, no code changes) then hit submit. Fails immediately.
To not fail and for the background agent to start working correctly.
Windows 10/11
Version: 1.3.6 (user setup)
1 Like
deanrie
July 31, 2025, 2:08pm
2
Hey, we released a new update 1.3.7. Try updating and let me know if the issue persists.
zackees
August 1, 2025, 12:45am
3
Nope, still get the error.
I updated. Then hit ctrl-E. Submit my request. Fails immediatly. Here’s the request id of the latest failure:
bc-44a7726f-55ae-4eb7-a7ca-82a09342714f
andrewh
August 1, 2025, 1:26am
5
The problem is the model here - looks like Claude Haiku was selected. Are you able to try a recommended model? I am looking into how that is possible.
andrewh
August 1, 2025, 1:28am
6
Looks like this would have to be added via “add models” - but Background Agents don’t support this model.
zackees
August 1, 2025, 6:34pm
7
That looks like the cause.
Prompt: “Write hello world to the console.”
Sonnet Opus MAX: No instant fail
Sonnet model always fails for me in background agent. Opus doesn’t but I don’t need such an expensive model.
system
September 30, 2025, 9:20am
10
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