diff --git a/AssetStudio/BundleFile.cs b/AssetStudio/BundleFile.cs
index 18e41a9..9c648f0 100644
--- a/AssetStudio/BundleFile.cs
+++ b/AssetStudio/BundleFile.cs
@@ -174,7 +174,7 @@ namespace AssetStudio
                     file.stream = memoryMappedFile.CreateViewStream();*/
                     var extractPath = path + "_unpacked" + Path.DirectorySeparatorChar;
                     Directory.CreateDirectory(extractPath);
-                    file.stream = File.Create(extractPath + file.fileName);
+                    file.stream = new FileStream(extractPath + file.fileName, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
                 }
                 else
                 {
diff --git a/AssetStudio/ImportHelper.cs b/AssetStudio/ImportHelper.cs
index 5444e62..fea5d53 100644
--- a/AssetStudio/ImportHelper.cs
+++ b/AssetStudio/ImportHelper.cs
@@ -65,7 +65,7 @@ namespace AssetStudio
 
         public static FileType CheckFileType(string fileName, out EndianBinaryReader reader)
         {
-            reader = new EndianBinaryReader(File.OpenRead(fileName));
+            reader = new EndianBinaryReader(File.Open(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite));
             return CheckFileType(reader);
         }