{"record":{"id":"0e83743b8ff8a6de","repo":"Devolutions/UniGetUI","slug":"could-not-update-secure-setting-key-for-user","errorCode":null,"errorMessage":"Could not update secure setting \"{key}\" for user \"{userName}\".","messagePattern":"Could not update secure setting \"(.+?)\" for user \"(.+?)\"\\.","errorType":"exception","errorClass":"InvalidOperationException","httpStatus":400,"severity":"error","filePath":"src/UniGetUI.Interface.IpcApi/IpcSecureSettingsApi.cs","lineNumber":52,"sourceCode":"    {\n        return ToSecureSettingInfo(ResolveSettingKey(settingKey), ResolveUserName(userName));\n    }\n\n    public static async Task<IpcSecureSettingInfo> SetSettingAsync(\n        IpcSecureSettingRequest request\n    )\n    {\n        ArgumentNullException.ThrowIfNull(request);\n        var key = ResolveSettingKey(request.SettingKey);\n        string userName = ResolveUserName(request.UserName);\n\n        bool success = userName.Equals(Environment.UserName, StringComparison.OrdinalIgnoreCase)\n            ? await SecureSettings.TrySet(key, request.Enabled)\n            : SecureSettings.ApplyForUser(userName, SecureSettings.ResolveKey(key), request.Enabled) == 0;\n\n        if (!success)\n        {\n            throw new InvalidOperationException(\n                $\"Could not update secure setting \\\"{SecureSettings.ResolveKey(key)}\\\" for user \\\"{userName}\\\".\"\n            );\n        }\n\n        return ToSecureSettingInfo(key, userName);\n    }\n\n    private static IpcSecureSettingInfo ToSecureSettingInfo(\n        SecureSettings.K key,\n        string userName\n    )\n    {\n        return new IpcSecureSettingInfo\n        {\n            Key = key.ToString(),\n            Name = SecureSettings.ResolveKey(key),\n            UserName = userName,\n            IsCurrentUser = userName.Equals(Environment.UserName, StringComparison.OrdinalIgnoreCase),","sourceCodeStart":34,"sourceCodeEnd":70,"githubUrl":"https://github.com/Devolutions/UniGetUI/blob/9b1d7d0eab91620fc15c86b36676532095936ae3/src/UniGetUI.Interface.IpcApi/IpcSecureSettingsApi.cs#L34-L70","documentation":"SetSettingAsync throws when SecureSettings.TrySet (for the current user) returns false, or ApplyForUser (for another user) returns non-zero. Secure settings are persisted via the OS secure store (DPAPI/registry); a failure means the underlying write was denied or the target profile is unreachable.","triggerScenarios":"Setting a secure setting for a target user whose profile cannot be resolved, or when the host process lacks rights to the target user's secure store.","commonSituations":"IPC host running under an account without privileges to the target user's store; corrupt target profile; non-existent target username.","solutions":["Verify the target username exists and the host account can access its profile store","For cross-user writes, run the host with sufficient privileges","Isolate the fault by writing for the current user first, then retry for the other user"],"exampleFix":"// before\nawait IpcSecureSettingsApi.SetSettingAsync(req); // targets unknown user\n// after\nif (!UserExists(req.UserName)) return Result.BadRequest(\"unknown user\");\ntry { await IpcSecureSettingsApi.SetSettingAsync(req); }\ncatch (InvalidOperationException ex) { logger.Error(ex); return Result.Fail(); }","handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"try\n{\n    return await IpcSecureSettingsApi.SetSettingAsync(request);\n}\ncatch (InvalidOperationException ex) when (ex.Message.StartsWith(\"Could not update secure setting\"))\n{\n    logger.Error(ex, \"Secure store write failed for {User}\", request.UserName);\n    return Result.Fail(\"secure-store-unavailable\");\n}","preventionTips":["Resolve the target user before the call","Run the host with rights to the profiles it manages","Distinguish current-user vs cross-user paths in error handling"],"tags":["ipc","secure-settings","permissions","os"],"backgroundTag":null,"analyzedSha":"9b1d7d0eab91620fc15c86b36676532095936ae3","analyzedAt":"2026-08-13T12:19:18.278Z","schemaVersion":2},"datasetVersion":"2026-08-13T14:17:21.547Z"}