Where does the bug appear (feature/product)? Cursor IDE Describe the Bug After querying the Cursor agent (Composer 2), the review indicator (green numbers of line changes) jumps into unrealistic number and IDE stops responding, now when I click option to reopen, it opens it up, while starting up, i…

Hey, this is a known issue, renderer OOM -536870904 on Windows. It’s usually triggered by large Composer diffs. It’s on our side and we’re tracking it, but I can’t share an ETA for a fix yet. The crash loop on restart happens because the bloated Composer state gets reloaded from the database and im…

Cursor stops responding, after reopen, it stops again

Support Bug Reports

Topic		Replies	Views
Oom error, crash ram usage increase Bug Reports performance , crashes , windows	1	60	May 18, 2026
Repeated renderer OOM crashes during agent-loop workflows Bug Reports performance , crashes	0	38	April 2, 2026
Cursor crashes with "reason: 'oom'" when using Composer on Windows 11 RTX system Bug Reports performance , crashes , windows	2	148	February 17, 2026
Cursor IDE constantly crashing Bug Reports performance , crashes	4	341	January 31, 2026
OOM issue – memory and CPU spike immediately on launch Bug Reports performance , crashes , linear-linked	1	45	June 10, 2026

Cursor stops responding, after reopen, it stops again

Related topics