
Codex compacts the context at 55% usage: why it happens and how to work around it
The bar says 55% and Codex is already compacting. The compaction counter adds past reasoning twice. How to confirm it and what to configure today.
● 21 articles on AI, development and infrastructure

The bar says 55% and Codex is already compacting. The compaction counter adds past reasoning twice. How to confirm it and what to configure today.

Gemini CLI 0.64.0's write_file fails with ENAMETOOLONG on 215 to 255-byte names because of its temp file. How to confirm it, and three ways to get unstuck.

All 13 troubleshooting articles we published between Sep 23 and Oct 14, 2026 came from GitHub issues. This is the method, with the 4 gh commands we use and the rule for dropping an issue.
Articles on AI, coding, and developer tools. No spam.

Codex browser control on Windows failing with "MXC launcher ... HRESULT 0x80070003" in dot tasks? See the cause in the source (SystemDrive is missing), how to confirm it, and the workaround that works until the fix ships.

What "No response from API (waited 3m, then 10m on the retry)" means in Claude Code, how long it waits and which variables to adjust.

Every Codex command on Windows fails with "helper_unknown_error: setup refresh had errors"? Find the cause in the log and the right fix for each one, including the October 2026 regression (os error 32) that already has a fix.

Enter clears the input and the message never reaches Codex? It is a VS Code extension bug, fixed in 26.930.41038. Here is how to confirm it, update and, if needed, roll back.

The Codex 401 "Incorrect API key provided" has 3 causes and only one is yours. The masked key suffix in the message tells you which, and each case has a command.

Codex Desktop stuck on a white screen or an endless spinner? When it happens points to the cause: app-server hung after an update, a renderer out of memory, or a corrupted config.toml. Here is the command for each.

Claude Code's SIGSEGV shows up in three patterns across the official September 2026 issues. When the crash happens tells you which one is yours, and each has its own command to get back up.

"Unexpected status 404 Not Found" in Codex has three different causes. The text after the 404 tells you which one: an OpenAI outage, a model missing from the catalog, or an old flag in config.toml.

The Codex Desktop app on Windows breaks with status 432 and "Workspace routing is unavailable": your account still shows up, but usage, plugins and task history disappear. Here's why only Desktop breaks, what's confirmed as the cause, and the real steps to fix it now.