diff --git a/starsky/starsky.foundation.sync/Helpers/SizeFileHashIsTheSame.cs b/starsky/starsky.foundation.sync/Helpers/SizeFileHashIsTheSame.cs
index dbcfd95c96..68ff5bfc0c 100644
--- a/starsky/starsky.foundation.sync/Helpers/SizeFileHashIsTheSame.cs
+++ b/starsky/starsky.foundation.sync/Helpers/SizeFileHashIsTheSame.cs
@@ -26,7 +26,7 @@ public SizeFileHashIsTheSameHelper(IStorage subPathStorage)
 	/// <returns>Last Edited is the bool (null is should check further in process), FileHash Same bool (null is not checked) , database item</returns>
 	internal async Task<Tuple<bool?,bool?,FileIndexItem>> SizeFileHashIsTheSame(List<FileIndexItem> dbItems, string subPath)
 	{
-		var dbItem = dbItems.Find(p => p.FilePath == subPath);
+		var dbItem = dbItems.FirstOrDefault(p => p.FilePath == subPath);
 		if ( dbItem == null )
 		{
 			return new Tuple<bool?, bool?, FileIndexItem>(false, false, null);
diff --git a/starsky/starsky.foundation.sync/Helpers/SyncCli.cs b/starsky/starsky.foundation.sync/Helpers/SyncCli.cs
index ea2890d175..a64ad758e1 100644
--- a/starsky/starsky.foundation.sync/Helpers/SyncCli.cs
+++ b/starsky/starsky.foundation.sync/Helpers/SyncCli.cs
@@ -54,7 +54,7 @@ public async Task Sync(string[] args)
 				var stopWatch = Stopwatch.StartNew();
 				_console.WriteLine($"Start indexing {subPath}");
 				var result = await _synchronize.Sync(subPath);
-				if ( result.TrueForAll(p => p.FilePath != subPath) )
+				if ( result.All(p => p.FilePath != subPath) )
 				{
 					_console.WriteLine($"Not Found: {subPath}");
 				}
diff --git a/starsky/starsky.foundation.sync/Helpers/SyncIgnoreCheck.cs b/starsky/starsky.foundation.sync/Helpers/SyncIgnoreCheck.cs
index 74712a3278..ba62c4b01d 100644
--- a/starsky/starsky.foundation.sync/Helpers/SyncIgnoreCheck.cs
+++ b/starsky/starsky.foundation.sync/Helpers/SyncIgnoreCheck.cs
@@ -17,7 +17,7 @@ public SyncIgnoreCheck(AppSettings appSettings, IConsole console)
 		
 		public bool Filter(string subPath)
 		{
-			var isSynced = _appSettings.SyncIgnore.Exists(subPath.StartsWith);
+			var isSynced = _appSettings.SyncIgnore.Any(subPath.StartsWith);
 			if ( isSynced && _appSettings.IsVerbose()) _console.WriteLine($"sync ignored for: {subPath}");
 			return isSynced;
 		}
diff --git a/starsky/starsky.foundation.sync/SyncServices/SyncFolder.cs b/starsky/starsky.foundation.sync/SyncServices/SyncFolder.cs
index 1289be1e45..058f7e6941 100644
--- a/starsky/starsky.foundation.sync/SyncServices/SyncFolder.cs
+++ b/starsky/starsky.foundation.sync/SyncServices/SyncFolder.cs
@@ -137,7 +137,7 @@ internal async Task CompareFolderListAndFixMissingFolders(List<string> subPaths,
 		{
 			if ( subPaths.Count == folderList.Count ) return;
 			
-			foreach ( var path in subPaths.Where(path => folderList.Exists(p => p.FilePath != path) &&
+			foreach ( var path in subPaths.Where(path => folderList.All(p => p.FilePath != path) &&
 				_subPathStorage.ExistFolder(path) && !_syncIgnoreCheck.Filter(path) ) )
 			{
 				await _query.AddItemAsync(new FileIndexItem(path)
@@ -155,7 +155,7 @@ internal async Task<List<FileIndexItem>> AddParentFolder(string subPath, List<Fi
 			// used to check later if the item already exists, to avoid duplicates
 			var filePathsAllResults = allResults.Select(p => p.FilePath).ToList();
 
-			if ( allResults.TrueForAll(p => p.FilePath != subPath))
+			if ( allResults.All(p => p.FilePath != subPath))
 			{
 				var subPathStatus = _subPathStorage.IsFolderOrFile(subPath);
 				var exifStatus = subPathStatus ==
@@ -301,7 +301,7 @@ internal static List<FileIndexItem> PathsToUpdateInDatabase(
 			var resultDatabaseItems = new List<FileIndexItem>(databaseItems);
 			foreach ( var path in pathsOnDisk )
 			{
-				var item = databaseItems.Find(p => string.Equals(p.FilePath, path, StringComparison.InvariantCultureIgnoreCase));
+				var item = databaseItems.FirstOrDefault(p => string.Equals(p.FilePath, path, StringComparison.InvariantCultureIgnoreCase));
 				if (item == null ) // when the file should be added to the index
 				{
 					// Status is used by MultiFile
diff --git a/starsky/starsky.foundation.sync/SyncServices/SyncMultiFile.cs b/starsky/starsky.foundation.sync/SyncServices/SyncMultiFile.cs
index 262b2417b6..17e90b38ba 100644
--- a/starsky/starsky.foundation.sync/SyncServices/SyncMultiFile.cs
+++ b/starsky/starsky.foundation.sync/SyncServices/SyncMultiFile.cs
@@ -50,7 +50,7 @@ internal async Task<List<FileIndexItem>> MultiFile(List<string> subPathInFiles,
 			var resultDatabaseItems = new List<FileIndexItem>();
 			foreach ( var path in subPathInFiles )
 			{
-				var item = databaseItems.Find(p => 
+				var item = databaseItems.FirstOrDefault(p => 
 					string.Equals(p.FilePath, path, StringComparison.InvariantCultureIgnoreCase));
 				if (item == null ) // when the file should be added to the index
 				{
diff --git a/starsky/starsky.foundation.sync/SyncServices/SyncSingleFile.cs b/starsky/starsky.foundation.sync/SyncServices/SyncSingleFile.cs
index d4acaff790..a4f8f69ce6 100644
--- a/starsky/starsky.foundation.sync/SyncServices/SyncSingleFile.cs
+++ b/starsky/starsky.foundation.sync/SyncServices/SyncSingleFile.cs
@@ -44,7 +44,7 @@ internal async Task<List<FileIndexItem>> SingleFile(string subPath,
 			ISynchronize.SocketUpdateDelegate? updateDelegate = null)
 		{
 			// when item does not exist in db
-			if ( dbItems?.Find(p => p.FilePath == subPath) == null )
+			if ( dbItems?.FirstOrDefault(p => p.FilePath == subPath) == null )
 			{
 				return await SingleFile(subPath);
 			}
@@ -81,7 +81,7 @@ internal async Task<List<FileIndexItem>> SingleFile(string subPath,
 			var dbItems =  await _query.GetObjectsByFilePathAsync(subPath,true);
 			foreach ( var item in statusItems )
 			{
-				var dbItem = dbItems.Find(p => item.FilePath == p.FilePath);
+				var dbItem = dbItems.FirstOrDefault(p => item.FilePath == p.FilePath);
 				if ( dbItem != null  )
 				{
 					scanItems.Add(dbItem);
@@ -91,7 +91,7 @@ internal async Task<List<FileIndexItem>> SingleFile(string subPath,
 				scanItems.Add(item);
 			}
 
-			foreach ( var item in dbItems.Where(item => scanItems.TrueForAll(p => p.FilePath != item.FilePath)) )
+			foreach ( var item in dbItems.Where(item => scanItems.All(p => p.FilePath != item.FilePath)) )
 			{
 				scanItems.Add(item);
 			}