diff --git a/SafeExamBrowser.UserInterface.Shared/Utilities/IconLoader.cs b/SafeExamBrowser.UserInterface.Shared/Utilities/IconLoader.cs
index 982b5c19..befb1427 100644
--- a/SafeExamBrowser.UserInterface.Shared/Utilities/IconLoader.cs
+++ b/SafeExamBrowser.UserInterface.Shared/Utilities/IconLoader.cs
@@ -7,8 +7,10 @@
  */
 
 using System;
+using System.Drawing;
 using System.IO;
 using System.Runtime.InteropServices;
+using System.Text;
 using System.Windows;
 using System.Windows.Interop;
 using System.Windows.Media;
@@ -18,6 +20,7 @@ namespace SafeExamBrowser.UserInterface.Shared.Utilities
 {
 	public static class IconLoader
 	{
+		private const int MAX_PATH_CHARS = 260;
 		private const uint SHGFI_ICON = 0x100;
 		private const uint SHGFI_LARGEICON = 0x0;
 		private const uint SHGFI_SMALLICON = 0x1;
@@ -35,15 +38,36 @@ namespace SafeExamBrowser.UserInterface.Shared.Utilities
 
 		public static ImageSource LoadIconFor(FileInfo file)
 		{
-			using (var icon = System.Drawing.Icon.ExtractAssociatedIcon(file.FullName))
+			try
 			{
-				return Imaging.CreateBitmapSourceFromHIcon(icon.Handle, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
+				using (var icon = Icon.ExtractAssociatedIcon(file.FullName))
+				{
+					return Imaging.CreateBitmapSourceFromHIcon(icon.Handle, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
+				}
+			}
+			catch
+			{
+				// Icon.ExtractAssociatedIcon(...) has proven to be error-prone, especially for network paths. Thus we try to use the native API
+				// in those cases, see also https://stackoverflow.com/questions/1842226/how-to-get-the-associated-icon-from-a-network-share-file.
+				var builder = new StringBuilder(MAX_PATH_CHARS);
+
+				builder.Append(file.FullName);
+
+				var handle = ExtractAssociatedIcon(IntPtr.Zero, builder, out _);
+
+				using (var icon = Icon.FromHandle(handle))
+				{
+					return Imaging.CreateBitmapSourceFromHIcon(icon.Handle, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
+				}
 			}
 		}
 
 		[DllImport("user32.dll")]
 		private static extern int DestroyIcon(IntPtr hIcon);
 
+		[DllImport("shell32.dll", CharSet = CharSet.Unicode)]
+		static extern IntPtr ExtractAssociatedIcon(IntPtr hInst, StringBuilder lpIconPath, out ushort lpiIcon);
+
 		[DllImport("shell32.dll", CharSet = CharSet.Unicode)]
 		private static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, uint cbSizeFileInfo, uint uFlags);