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uv errors and fixes: 2 guides

Real uv failures, each with the error you'll see, the cause and steps that worked. 1 of 2 fixed upstream. Search within uv.

Fixed: 1

uvFixed (verified)
uv tool uninstall deletes the parent of the tools directory including uv.toml
When the last installed tool is removed, uv tool uninstall deletes the tools directory and then its parent if that parent has no other directories. On the default Windows layout that deletes %APPDATA%\uv\uv.toml. The linked issue does not give a thrown error string.
Last checked Oct 19, 2026#setup2 steps →

Unverified: 1

uvUnverified
license-file globs pick up non-license files and fail on encoding
uv build --wheel fails with Error: Invalid project metadata and Call to uv_build.build_wheel failed (exit status: 1) when a recursive license-files glob matches a binary file. The cause line is License file `src/zzz/_vendor/thing.bin` must be UTF-8 encoded.
Last checked Oct 19, 2026#setup#error-messages2 steps →

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