I’m running on Ubuntu in a VM. Just applied latest patches of everything. When I try to paste code or log snippets into the Codex thread now, it locks VS and causes it to crash. If I reopen and try it again, eventually it crashes the entire VM. Pasting context is a key part of my flow, particularly…

Avoid pasting big snippets directly into the Codex thread. Put the code/logs into a temporary file in the workspace, then ask Codex to read that file instead. The IDE extension also uses Codex CLI underneath, so testing the same prompt through CLI could help confirm if it’s only the VS Code extensio…

Pasting into Codex prompt window crashes VS Code

Codex

Deltahedra June 11, 2026, 8:22am 2

I have the exact same issue as you. It seems to happen irregularly, but very often when there are some latex code with symbols too.

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Pasting into Codex prompt window crashes VS Code

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