**Issue**: In Adobe Bridge 2026 (version 16.0.2.23), HEIC files (iPhone photos, identical auto-numbering) display perfectly (thumbnails + preview) in some folders, but completely fail (no thumbnails OR preview) in other folders on the same internal drive. Windows Explorer and Photos app read ALL HEIC files without issue. **Configuration**: - Windows 11 25H2 (latest) - Extensions installed: HEIF Image Extension (1.0.51005.0) + HEVC Video Extension (free device manufacturer 3.0.8.564 + paid version tested then removed) - Bridge fully reset (Ctrl+Alt+Shift), cache purged multiple times (all, per folder, per selection) - Preferences adjusted: Max file size 5000MB, cache 100GB, high quality - Files local on internal drive (not OneDrive/NAS), simple names no accents/special chars - Tested: Refresh (F5), move folders, antivirus disabled **Steps tried (all failed)**: - Uninstall/reinstall HEIF/HEVC (PowerShell for invisible HEIF) - Full Bridge reset - Increase cache/thumbnail limits - Purge + F5 per folder - Reinstall extensions in both orders (HEVC first, HEIF first) **Key observation**: Problem is selective - one HEIC folder works perfectly, next identical folder fails completely. Not codec issue (Windows works everywhere) nor pure cache issue (purge has no effect). Can you confirm if this is a known HEIC bug on Windows and plan a fix? Thank you. **Full config**: - Windows 11 [Pro/Home] 25H2 (build #?) - Bridge 16.0.2.23 (2026)
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