I am on Windows 11, Cursor v2. I will prompt the agent. Once it completes, I will try to scroll through the chat window to read the output or review the files, but the cursor is completely locked up, and I cannot interact with anything. I have to kill the cursor via the task manager and relaunch. Once I relaunch, the chat won’t completely render the previous run making it useless. This is happening on about 9 out of 10 prompts. Making Cursor completely unusable.
I was wondering if anyone else is experiencing this? I’ve tried completely wiping my system of Cursor and reinstalling Cursor v2 fresh, and it’s still exhibiting this behavior.
cursor 2.0.43. But this issue has happened on every v2 version. was not happening on 1.7. I have my update access set to default. I have experienced this with Sonnet 4.5. I can do some more testing to see if it happens on other models. hard to say about the prompt, I haven’t been able to use cursor much when it’s constantly locking up. But my prompts are typed out, not using the voice mode, and have been with and without / commands.
I think I have narrowed down what is happening. It appears only to happen when the agent completes, and Cursor is not in focus. For example, if I give the agent a prompt and leave it running, then go look at something in Chrome, when the agent completes, I go to click back on Cursor and Cursor is completely locked up, and I have to kill it. But if I never leave Cursor while the agent is running, it won’t freeze.
This has been an on-going issue for me too. Still haven’t found a fix but @Westy is correct, and the process will need to be killed, along with any sub processes spawned during its session. Any update on this would be greatly appreciated.
I have this exact problem too. I have to kill and restart Cursor to get it responding. At least it seems to restart where I left off which is a bonus (I guess)… it’s completely unresponsive, right clicking the taskbar on Cursor and selecting close does not work, alt-tab to the Cursor window does not even bring the window into focus. Killing Explorer and restarting (or just restarting it) does not help. It’s like windows has lost Cursor. I’m on 2.0.77…
I have the same problem today after working straight for about 8 hours. It starting getting worse and worse on a fresh install today. I finally had to close it and restart. One interesting thing is I could not reuse the existing chat window either. I had to start a new chat.
I’m facing exactly the same issue. When Agent finished and window is not focused then Cursor process freezes and I have to kill it, it makes Cursor difficult to use.
I think I have tracked down the Windows issue….Looking at the Wait Chain of the locked Cursor PIDs they all came back to Windows Push Notification User Service.
When you run services.msc and look for WpnUserService_72e67 (the suffix is random per user session)
Then restart it, note it may take a good while, like 30 - 60 seconds, Cursor then springs back into life.
For now I have turned off Cursor Notifications at a Windows level:
Systems → Notifications → Cursor → OFF
I’m not sure if Cursor is breaking the service or if the server is just unreliable so I’ve no idea who or how this can be fixed. Hoping Cursor look into this as I suspect they’re breaking the service somehow.