Right after you update Claude Desktop (Windows), launching the app pops "Another program is currently using this file" and it won't start — and it stays broken until you restart the PC. This is a known bug in the Microsoft Store (MSIX) build (GitHub #53247 and others). The key point: a full PC restart is not necessarily needed — in many cases just signing out of Windows and back in recovers it (not a PC restart, and not logging out of Claude), because the orphaned handle behind it persists per Windows user session. Stopping CoworkVMService or re-registering the package is reported NOT to work. Despite the dialog wording, it is verified there is no user-space file lock (handle.exe / Process Explorer): the real failure is in the AppX/Desktop Bridge container layer, at the Job Object → Silo conversion (0x80070020 = ERROR_SHARING_VIOLATION, events 215/208). The trigger has two unsettled explanations — the service holding the Job Object (#57221) vs. a startup crash leaving cleanup undone (#53247) — and no official fix has shipped. The permanent workaround is switching to the Squirrel (installer) build. Based on one machine (Windows 11 Home 10.0.26200) cross-checked with GitHub issues; confidence-labeled throughout.

2026/07/17

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Claude AI Dev & Programming Beginners

Fix Claude Desktop 0x80070020: Won't Launch After Update

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ChatGPT AI Agents & Automation Work Efficiency

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AI Dev & Programming Work Efficiency Data Analysis

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ChatGPT Other AI Beginners

What Is GPT-Live? ChatGPT's "Listen While Speaking" Full-Duplex Voice Explained

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ChatGPT Gemini AI Agents & Automation

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Claude AI Dev & Programming Beginners

Claude Code repeats "court" infinitely and halts with Response stalled mid-stream: causes and fixes

When you work in Claude Code for a long stretch, the response can suddenly repeat the same word — "court court court…" — dozens to hundreds of times, then halt with "API Error: Response stalled mid-stream. The response above may be incomplete." This is not a mistake in your prompt; it is two separate known bugs chaining together: (1) the model emitting the same token over and over — repetition (degeneration), GitHub #68740/#65823/#66950 — and (2) "Response stalled mid-stream," where the flood of output or a connection problem stops the response stream (#70840 and the official error reference). "court" means nothing; the model just fixated on that token, and it carries the area:model label as a model-side bug. This article breaks down the two layers, how it differs from the "court/invoke tag leak" type (a separate article), the trigger conditions (long sessions, large context, prose right before a tool call, unstable connections, long output), how to stop it now (interrupt with Esc, escape to a new session or /clear, call tools with no preamble, split the task), developer measures (read timeout, repetition-detection guard, retry without keeping broken history, a max_tokens cap), how to tell it apart from Connection closed mid-response and Prompt is too long, and the official status as of July 2026, where no permanent fix is confirmed — all based on the official docs and the actual issues.

2026/07/11