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CLAIM C012 Supported 2026-10-16

GitHub issue #85891 in anthropics/claude-code, opened 2026-08-11 by kylealty-boop, records a report that on Windows 11 the Claude Desktop main window behaves as a topmost window, staying drawn above other applications even after another window is focused, with no in-app setting to turn this off; the reporter ruled out third-party pinning tools and concludes the topmost flag appears to originate from the app itself.

Verbatim Excerpts from Cited Records
“On Windows 11, the Claude Desktop window behaves as a topmost window: it stays drawn above other applications even after another window is focused and brought over it. There is no in-app setting to turn this off.”
— kylealty-boop · anthropics/claude-code (issue 85891 opening body, Summary section) · 2026-08-11T18:28:47Z ·GitHub Issue ↗
“The Claude window continues to render above the newly focused window. The only way to get it out of the way is to minimize it or move it to a separate virtual desktop.”
— kylealty-boop · anthropics/claude-code (issue 85891 opening body, Actual behavior section) · 2026-08-11T18:28:47Z ·GitHub Issue ↗
“So the topmost flag appears to originate from the app itself.”
— kylealty-boop · anthropics/claude-code (issue 85891 opening body, Ruled out section) · 2026-08-11T18:28:47Z ·GitHub Issue ↗
Counter-record: No in-thread refutation of the reported always-on-top behavior as of 2026-10-16: 121 comments discuss the issue and corroborating observations. The report notes the macOS counterpart (#66516) was closed as invalid/not-Claude-Code, and clarifies this is about the main chat window rather than the Cowork computer-use overlay (whose on-top behavior during tasks is expected). The reporter documents environment details (Windows 11, Claude Desktop 1.26832.0, Electron 42.7.0, dual displays) and a suggested fix. Falsification probe: If issue #85891 is deleted without archive, if the author edits the opening body so the quoted sentences no longer match verbatim, or if the author/maintainers post a definitive retraction showing the behavior was misattributed, this claim drops to Withdrawn. Audit verification: Verified 100% continuous verbatim substring against official GitHub REST API by scripts/verify_claim_verbatim.py.