{"record":{"id":"8afa0b1386138fa5","repo":"denoland/deno","slug":"existing-installation-found-aborting-use-f-to-o","errorCode":null,"errorMessage":"Existing installation found. Aborting (Use -f to overwrite).","messagePattern":"Existing installation found\\. Aborting \\(Use -f to overwrite\\)\\.","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cli/tools/installer/global.rs","lineNumber":363,"sourceCode":"    .first()\n    .ok_or_else(|| anyhow!(\"No module URL provided\"))?\n    .clone();\n\n  // Determine the output path\n  let output = if let Some(ref name) = install_flags_global.name {\n    let mut output_path = install_dir.join(name);\n    if cfg!(windows) {\n      output_path = output_path.with_extension(\"exe\");\n    }\n    output_path.to_string_lossy().into_owned()\n  } else {\n    format!(\"{}/\", install_dir.to_string_lossy())\n  };\n\n  let output_path = PathBuf::from(&output);\n  if output_path.is_file() {\n    if !install_flags_global.force {\n      return Err(anyhow!(\n        \"Existing installation found. Aborting (Use -f to overwrite).\",\n      ));\n    }\n    // Remove the existing file so that the compile step doesn't\n    // fail its own safety check (which guards against overwriting\n    // files not produced by `deno compile`).\n    std::fs::remove_file(&output_path).with_context(|| {\n      format!(\n        concat!(\n          \"Failed to remove existing installation at '{0}'.\\n\\n\",\n          \"This may be because an existing {1} process is running. Please ensure \",\n          \"there are no running {1} processes (ex. run `pkill {1}` on Unix or \",\n          \"`Stop-Process -Name {1}` on Windows), and ensure you have sufficient \",\n          \"permission to write to the installation path.\"\n        ),\n        output_path.display(),\n        output_path.file_name().map(|s| s.to_string_lossy()).unwrap_or(\"<unknown>\".into())\n      )","sourceCodeStart":345,"sourceCodeEnd":381,"githubUrl":"https://github.com/denoland/deno/blob/89f33cbef296a2b287f323d42de54c871fa69c77/cli/tools/installer/global.rs#L345-L381","documentation":"Error \"Existing installation found. Aborting (Use -f to overwrite).\" thrown in denoland/deno.","triggerScenarios":"Thrown at cli/tools/installer/global.rs:363 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"89f33cbef296a2b287f323d42de54c871fa69c77","analyzedAt":"2026-08-16T07:54:21.310Z","schemaVersion":2},"datasetVersion":"2026-08-16T08:17:34.114Z"}