diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/exiv2/Meta.cs b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/exiv2/Meta.cs
index f03e006..93e4d27 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/exiv2/Meta.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/exiv2/Meta.cs
@@ -148,9 +148,9 @@ namespace QuickLook.Plugin.ImageViewer.Exiv2
                 p.StartInfo.Arguments = arg;
                 p.StartInfo.StandardOutputEncoding = Encoding.UTF8;
                 p.Start();
-                p.WaitForExit();
 
                 result = p.StandardOutput.ReadToEnd();
+                p.WaitForExit(1000);
             }
 
             return string.IsNullOrWhiteSpace(result)
diff --git a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ffmpeg/FFprobe.cs b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ffmpeg/FFprobe.cs
index e5f57a3..ea11c25 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ffmpeg/FFprobe.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ffmpeg/FFprobe.cs
@@ -51,9 +51,10 @@ namespace QuickLook.Plugin.VideoViewer.FFmpeg
                 p.StartInfo.Arguments = $"-v quiet -print_format xml -show_streams -show_format \"{media}\"";
                 p.StartInfo.StandardOutputEncoding = Encoding.UTF8;
                 p.Start();
-                p.WaitForExit();
 
                 result = p.StandardOutput.ReadToEnd();
+                p.WaitForExit(1000);
+
             }
 
             if (string.IsNullOrWhiteSpace(result))